3957136108 has 12 divisors (see below), whose sum is σ = 7226074800. Its totient is φ = 1892543312.

The previous prime is 3957136097. The next prime is 3957136123. The reversal of 3957136108 is 8016317593.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21506083 + ... + 21506266.

It is an arithmetic number, because the mean of its divisors is an integer number (602172900).

Almost surely, 2^3957136108 is an apocalyptic number.

It is an amenable number.

3957136108 is a deficient number, since it is larger than the sum of its proper divisors (3268938692).

3957136108 is a wasteful number, since it uses less digits than its factorization.

3957136108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43012376 (or 43012374 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 3957136108 is about 62905.7716588868. The cubic root of 3957136108 is about 1581.7104944114.

The spelling of 3957136108 in words is "three billion, nine hundred fifty-seven million, one hundred thirty-six thousand, one hundred eight".