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135801340 = 2256790067
BaseRepresentation
bin10000001100000…
…10100111111100
3100110112102102021
420012002213330
5234231120330
621250405524
73236202163
oct1006024774
9313472367
10135801340
116a724614
12395908a4
132219a22c
14140703da
15bdc767a
hex81829fc

135801340 has 12 divisors (see below), whose sum is σ = 285182856. Its totient is φ = 54320528.

The previous prime is 135801329. The next prime is 135801343. The reversal of 135801340 is 43108531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135801343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395014 + ... + 3395053.

It is an arithmetic number, because the mean of its divisors is an integer number (23765238).

Almost surely, 2135801340 is an apocalyptic number.

135801340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135801340 is an abundant number, since it is smaller than the sum of its proper divisors (149381516).

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

135801340 is a wasteful number, since it uses less digits than its factorization.

135801340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790076 (or 6790074 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 135801340 is about 11653.3831997408. The cubic root of 135801340 is about 514.0057986598.

Adding to 135801340 its reverse (43108531), we get a palindrome (178909871).

The spelling of 135801340 in words is "one hundred thirty-five million, eight hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 6790067 13580134 27160268 33950335 67900670 135801340