139740397272 has 48 divisors (see below), whose sum is σ = 432529802640. Its totient is φ = 39925827648.

The previous prime is 139740397259. The next prime is 139740397309. The reversal of 139740397272 is 272793047931.

139740397272 is a `hidden beast` number, since 13 + 97 + 403 + 9 + 72 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138630843 + ... + 138631850.

It is an arithmetic number, because the mean of its divisors is an integer number (9011037555).

Almost surely, 2^139740397272 is an apocalyptic number.

139740397272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139740397272 is an abundant number, since it is smaller than the sum of its proper divisors (292789405368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139740397272 is a wasteful number, since it uses less digits than its factorization.

139740397272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277262712 (or 277262705 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 139740397272 in words is "one hundred thirty-nine billion, seven hundred forty million, three hundred ninety-seven thousand, two hundred seventy-two".