3913932138 has 16 divisors (see below), whose sum is σ = 7836987360. Its totient is φ = 1303123536.

The previous prime is 3913932109. The next prime is 3913932161. The reversal of 3913932138 is 8312393193.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3913932138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374545 + ... + 384852.

It is an arithmetic number, because the mean of its divisors is an integer number (489811710).

Almost surely, 2^3913932138 is an apocalyptic number.

3913932138 is an abundant number, since it is smaller than the sum of its proper divisors (3923055222).

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

3913932138 is a wasteful number, since it uses less digits than its factorization.

3913932138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760261.

The product of its digits is 104976, while the sum is 42.

The square root of 3913932138 is about 62561.4269178701. The cubic root of 3913932138 is about 1575.9330509687.

The spelling of 3913932138 in words is "three billion, nine hundred thirteen million, nine hundred thirty-two thousand, one hundred thirty-eight".