396139113 has 32 divisors (see below), whose sum is σ = 619520000. Its totient is φ = 249481296.

The previous prime is 396139067. The next prime is 396139127. The reversal of 396139113 is 311931693.

396139113 is a `hidden beast` number, since 39 + 613 + 9 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 396139113 - 2⁹ = 396138601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396139193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224328 + ... + 226086.

It is an arithmetic number, because the mean of its divisors is an integer number (19360000).

Almost surely, 2^396139113 is an apocalyptic number.

It is an amenable number.

396139113 is a deficient number, since it is larger than the sum of its proper divisors (223380887).

396139113 is a wasteful number, since it uses less digits than its factorization.

396139113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2220 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 396139113 is about 19903.2437808514. The cubic root of 396139113 is about 734.4280264786.

The spelling of 396139113 in words is "three hundred ninety-six million, one hundred thirty-nine thousand, one hundred thirteen".