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135141344 = 25131631993
BaseRepresentation
bin10000000111000…
…01011111100000
3100102021220001222
420003201133200
5234044010334
621224314212
73230453042
oct1003413740
9312256058
10135141344
116a313768
1239312968
1321cc89c0
1413d3ba92
15bce6d2e
hex80e17e0

135141344 has 48 divisors (see below), whose sum is σ = 288428112. Its totient is φ = 61959168.

The previous prime is 135141317. The next prime is 135141359. The reversal of 135141344 is 443141531.

It is a happy number.

It is a super-3 number, since 3×1351413443 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66812 + ... + 68804.

It is an arithmetic number, because the mean of its divisors is an integer number (6008919).

Almost surely, 2135141344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135141344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144214056).

135141344 is an abundant number, since it is smaller than the sum of its proper divisors (153286768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135141344 is a wasteful number, since it uses less digits than its factorization.

135141344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2171 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 135141344 is about 11625.0309246901. The cubic root of 135141344 is about 513.1717547721.

Adding to 135141344 its reverse (443141531), we get a palindrome (578282875).

The spelling of 135141344 in words is "one hundred thirty-five million, one hundred forty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 163 208 326 416 652 1304 1993 2119 2608 3986 4238 5216 7972 8476 15944 16952 25909 31888 33904 51818 63776 67808 103636 207272 324859 414544 649718 829088 1299436 2598872 4223167 5197744 8446334 10395488 16892668 33785336 67570672 135141344