139901372 has 12 divisors (see below), whose sum is σ = 263660376. Its totient is φ = 64569840.

The previous prime is 139901371. The next prime is 139901393. The reversal of 139901372 is 273109931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139901371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345154 + ... + 1345257.

It is an arithmetic number, because the mean of its divisors is an integer number (21971698).

Almost surely, 2^139901372 is an apocalyptic number.

It is an amenable number.

139901372 is a deficient number, since it is larger than the sum of its proper divisors (123759004).

139901372 is a wasteful number, since it uses less digits than its factorization.

139901372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690428 (or 2690426 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 139901372 is about 11827.9910382110. The cubic root of 139901372 is about 519.1274469430.

The spelling of 139901372 in words is "one hundred thirty-nine million, nine hundred one thousand, three hundred seventy-two".