39140145925 has 48 divisors (see below), whose sum is σ = 53789450112. Its totient is φ = 28101427200.

The previous prime is 39140145917. The next prime is 39140145937. The reversal of 39140145925 is 52954104193.

It is not a de Polignac number, because 39140145925 - 2³ = 39140145917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3229477 + ... + 3241573.

It is an arithmetic number, because the mean of its divisors is an integer number (1120613544).

Almost surely, 2^39140145925 is an apocalyptic number.

It is an amenable number.

39140145925 is a deficient number, since it is larger than the sum of its proper divisors (14649304187).

39140145925 is a wasteful number, since it uses less digits than its factorization.

39140145925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478 (or 12473 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 39140145925 in words is "thirty-nine billion, one hundred forty million, one hundred forty-five thousand, nine hundred twenty-five".