32139764 has 12 divisors (see below), whose sum is σ = 56481600. Its totient is φ = 16002168.

The previous prime is 32139739. The next prime is 32139781. The reversal of 32139764 is 46793123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15854 + ... + 17765.

It is an arithmetic number, because the mean of its divisors is an integer number (4706800).

Almost surely, 2^32139764 is an apocalyptic number.

It is an amenable number.

32139764 is a deficient number, since it is larger than the sum of its proper divisors (24341836).

32139764 is a wasteful number, since it uses less digits than its factorization.

32139764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33862 (or 33860 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 32139764 is about 5669.1942990164. The cubic root of 32139764 is about 317.9417506009.

The spelling of 32139764 in words is "thirty-two million, one hundred thirty-nine thousand, seven hundred sixty-four".