39140525 has 12 divisors (see below), whose sum is σ = 49220064. Its totient is φ = 30870000.

The previous prime is 39140501. The next prime is 39140531. The reversal of 39140525 is 52504193.

It is not a de Polignac number, because 39140525 - 2¹² = 39136429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9251 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (4101672).

Almost surely, 2^39140525 is an apocalyptic number.

It is an amenable number.

39140525 is a deficient number, since it is larger than the sum of its proper divisors (10079539).

39140525 is a wasteful number, since it uses less digits than its factorization.

39140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132 (or 22127 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 39140525 is about 6256.2388861040. The cubic root of 39140525 is about 339.5279637561.

The spelling of 39140525 in words is "thirty-nine million, one hundred forty thousand, five hundred twenty-five".