135251136 has 42 divisors (see below), whose sum is σ = 387674612. Its totient is φ = 45083520.

The previous prime is 135251131. The next prime is 135251161. The reversal of 135251136 is 631152531.

135251136 is a `hidden beast` number, since 1 + 3 + 525 + 1 + 136 = 666.

It is not an unprimeable number, because it can be changed into a prime (135251131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116830 + ... + 117981.

Almost surely, 2^135251136 is an apocalyptic number.

135251136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135251136 is an abundant number, since it is smaller than the sum of its proper divisors (252423476).

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

135251136 is a wasteful number, since it uses less digits than its factorization.

135251136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234829 (or 234816 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 135251136 is about 11629.7521899652. The cubic root of 135251136 is about 513.3106880811.

The spelling of 135251136 in words is "one hundred thirty-five million, two hundred fifty-one thousand, one hundred thirty-six".