39396131 has 6 divisors (see below), whose sum is σ = 39704700. Its totient is φ = 39089936.

The previous prime is 39396113. The next prime is 39396163. The reversal of 39396131 is 13169393.

It is a de Polignac number, because none of the positive numbers 2^k-39396131 is a prime.

It is a super-2 number, since 2×39396131² = 3104110275538322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39396091 and 39396100.

It is not an unprimeable number, because it can be changed into a prime (39392131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17720 + ... + 19818.

It is an arithmetic number, because the mean of its divisors is an integer number (6617450).

Almost surely, 2^39396131 is an apocalyptic number.

39396131 is a deficient number, since it is larger than the sum of its proper divisors (308569).

39396131 is an equidigital number, since it uses as much as digits as its factorization.

39396131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373 (or 2236 counting only the distinct ones).

The product of its digits is 13122, while the sum is 35.

The square root of 39396131 is about 6276.6337315475. The cubic root of 39396131 is about 340.2654530181.

The spelling of 39396131 in words is "thirty-nine million, three hundred ninety-six thousand, one hundred thirty-one".