139401884608 has 56 divisors (see below), whose sum is σ = 318036805632. Its totient is φ = 59385886464.

The previous prime is 139401884593. The next prime is 139401884623. The reversal of 139401884608 is 806488104931.

It is an interprime number because it is at equal distance from previous prime (139401884593) and next prime (139401884623).

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856816 + ... + 1006447.

It is an arithmetic number, because the mean of its divisors is an integer number (5679228672).

Almost surely, 2^139401884608 is an apocalyptic number.

It is an amenable number.

139401884608 is an abundant number, since it is smaller than the sum of its proper divisors (178634921024).

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

139401884608 is a wasteful number, since it uses less digits than its factorization.

139401884608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863449 (or 1863439 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 139401884608 in words is "one hundred thirty-nine billion, four hundred one million, eight hundred eighty-four thousand, six hundred eight".