139204423764 has 36 divisors (see below), whose sum is σ = 402146113824. Its totient is φ = 39772692432.

The previous prime is 139204423753. The next prime is 139204423793. The reversal of 139204423764 is 467324402931.

139204423764 is a `hidden beast` number, since 1 + 39 + 204 + 42 + 376 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276199002 + ... + 276199505.

It is an arithmetic number, because the mean of its divisors is an integer number (11170725384).

Almost surely, 2^139204423764 is an apocalyptic number.

139204423764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139204423764 is an abundant number, since it is smaller than the sum of its proper divisors (262941690060).

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

139204423764 is a wasteful number, since it uses less digits than its factorization.

139204423764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552398524 (or 552398519 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 139204423764 in words is "one hundred thirty-nine billion, two hundred four million, four hundred twenty-three thousand, seven hundred sixty-four".