39500320139 has 16 divisors (see below), whose sum is σ = 45931478016. Its totient is φ = 33268752000.

The previous prime is 39500320133. The next prime is 39500320141. The reversal of 39500320139 is 93102300593.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39500320139 - 2³² = 35205352843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39500320099 and 39500320108.

It is not an unprimeable number, because it can be changed into a prime (39500320133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83054 + ... + 293084.

It is an arithmetic number, because the mean of its divisors is an integer number (2870717376).

Almost surely, 2^39500320139 is an apocalyptic number.

39500320139 is a deficient number, since it is larger than the sum of its proper divisors (6431157877).

39500320139 is a wasteful number, since it uses less digits than its factorization.

39500320139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210506.

The product of its (nonzero) digits is 21870, while the sum is 35.

The spelling of 39500320139 in words is "thirty-nine billion, five hundred million, three hundred twenty thousand, one hundred thirty-nine".