139538730764 has 12 divisors (see below), whose sum is σ = 244230818664. Its totient is φ = 69758496864.

The previous prime is 139538730763. The next prime is 139538730769. The reversal of 139538730764 is 467037835931.

139538730764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (139538730763) 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, 2688209 + ... + 2739624.

It is an arithmetic number, because the mean of its divisors is an integer number (20352568222).

Almost surely, 2^139538730764 is an apocalyptic number.

It is an amenable number.

139538730764 is a deficient number, since it is larger than the sum of its proper divisors (104692087900).

139538730764 is a wasteful number, since it uses less digits than its factorization.

139538730764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434264 (or 5434262 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 139538730764 in words is "one hundred thirty-nine billion, five hundred thirty-eight million, seven hundred thirty thousand, seven hundred sixty-four".