Search a number
-
+
135488655 = 3255215779
BaseRepresentation
bin10000001001101…
…10010010001111
3100102221112111100
420010312102033
5234141114110
621235554143
73233430441
oct1004662217
9312845440
10135488655
116a5306a5
123945b953
13220bab03
1413dcc491
15bd64bc0
hex813648f

135488655 has 24 divisors (see below), whose sum is σ = 235338480. Its totient is φ = 72109440.

The previous prime is 135488629. The next prime is 135488663. The reversal of 135488655 is 556884531.

It is not a de Polignac number, because 135488655 - 211 = 135486607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135488655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20556 + ... + 26334.

It is an arithmetic number, because the mean of its divisors is an integer number (9805770).

Almost surely, 2135488655 is an apocalyptic number.

135488655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135488655 is a deficient number, since it is larger than the sum of its proper divisors (99849825).

135488655 is a wasteful number, since it uses less digits than its factorization.

135488655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311 (or 6308 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 135488655 is about 11639.9594071457. The cubic root of 135488655 is about 513.6109929919.

It can be divided in two parts, 1354 and 88655, that added together give a palindrome (90009).

The spelling of 135488655 in words is "one hundred thirty-five million, four hundred eighty-eight thousand, six hundred fifty-five".

Divisors: 1 3 5 9 15 45 521 1563 2605 4689 5779 7815 17337 23445 28895 52011 86685 260055 3010859 9032577 15054295 27097731 45162885 135488655