139379768896 has 63 divisors (see below), whose sum is σ = 289272429201. Its totient is φ = 66627035904.

The previous prime is 139379768851. The next prime is 139379768903. The reversal of 139379768896 is 698867973931.

The square root of 139379768896 is 373336.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 138282834496 + 1096934400 = 371864^2 + 33120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68692810 + ... + 68694838.

Almost surely, 2^139379768896 is an apocalyptic number.

139379768896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

139379768896 is the 373336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139379768896

139379768896 is an abundant number, since it is smaller than the sum of its proper divisors (149892660305).

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

139379768896 is an frugal number, since it uses more digits than its factorization.

139379768896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116 (or 2054 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 76.

The spelling of 139379768896 in words is "one hundred thirty-nine billion, three hundred seventy-nine million, seven hundred sixty-eight thousand, eight hundred ninety-six".