139277393896 has 8 divisors (see below), whose sum is σ = 261145113570. Its totient is φ = 69638696944.

The previous prime is 139277393863. The next prime is 139277394017. The reversal of 139277393896 is 698393772931.

139277393896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 125944072996 + 13333320900 = 354886^2 + 115470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8704837111 + ... + 8704837126.

Almost surely, 2^139277393896 is an apocalyptic number.

It is an amenable number.

139277393896 is a deficient number, since it is larger than the sum of its proper divisors (121867719674).

139277393896 is a wasteful number, since it uses less digits than its factorization.

139277393896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409674243 (or 17409674239 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 67.

The spelling of 139277393896 in words is "one hundred thirty-nine billion, two hundred seventy-seven million, three hundred ninety-three thousand, eight hundred ninety-six".