135131952 has 40 divisors (see below), whose sum is σ = 367466560. Its totient is φ = 42672960.

The previous prime is 135131951. The next prime is 135131959. The reversal of 135131952 is 259131531.

It is not an unprimeable number, because it can be changed into a prime (135131951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73174 + ... + 74997.

It is an arithmetic number, because the mean of its divisors is an integer number (9186664).

Almost surely, 2^135131952 is an apocalyptic number.

135131952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135131952 is an abundant number, since it is smaller than the sum of its proper divisors (232334608).

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

135131952 is a wasteful number, since it uses less digits than its factorization.

135131952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148201 (or 148195 counting only the distinct ones).

The product of its digits is 4050, while the sum is 30.

The square root of 135131952 is about 11624.6269617567. The cubic root of 135131952 is about 513.1598664271.

The spelling of 135131952 in words is "one hundred thirty-five million, one hundred thirty-one thousand, nine hundred fifty-two".