138527372 has 12 divisors (see below), whose sum is σ = 246997296. Its totient is φ = 67956720.

The previous prime is 138527357. The next prime is 138527383. The reversal of 138527372 is 273725831.

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, 326504 + ... + 326927.

It is an arithmetic number, because the mean of its divisors is an integer number (20583108).

Almost surely, 2^138527372 is an apocalyptic number.

It is an amenable number.

138527372 is a deficient number, since it is larger than the sum of its proper divisors (108469924).

138527372 is a wasteful number, since it uses less digits than its factorization.

138527372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653488 (or 653486 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 138527372 is about 11769.7651633327. The cubic root of 138527372 is about 517.4223670953.

The spelling of 138527372 in words is "one hundred thirty-eight million, five hundred twenty-seven thousand, three hundred seventy-two".