135913932 has 72 divisors (see below), whose sum is σ = 428343552. Its totient is φ = 35301600.

The previous prime is 135913931. The next prime is 135913949. The reversal of 135913932 is 239319531.

135913932 is a `hidden beast` number, since 1 + 3 + 591 + 39 + 32 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (135913931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21744 + ... + 27287.

It is an arithmetic number, because the mean of its divisors is an integer number (5949216).

Almost surely, 2^135913932 is an apocalyptic number.

135913932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135913932 is an abundant number, since it is smaller than the sum of its proper divisors (292429620).

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

135913932 is a wasteful number, since it uses less digits than its factorization.

135913932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49059 (or 49054 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 135913932 is about 11658.2130706211. The cubic root of 135913932 is about 514.1478123645.

The spelling of 135913932 in words is "one hundred thirty-five million, nine hundred thirteen thousand, nine hundred thirty-two".