139676866590 has 64 divisors (see below), whose sum is σ = 355174134336. Its totient is φ = 35033382912.

The previous prime is 139676866583. The next prime is 139676866591. The reversal of 139676866590 is 95668676931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139676866591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703854 + ... + 880206.

It is an arithmetic number, because the mean of its divisors is an integer number (5549595849).

Almost surely, 2^139676866590 is an apocalyptic number.

139676866590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139676866590 is an abundant number, since it is smaller than the sum of its proper divisors (215497267746).

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

139676866590 is a wasteful number, since it uses less digits than its factorization.

139676866590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177933.

The product of its (nonzero) digits is 88179840, while the sum is 66.

The spelling of 139676866590 in words is "one hundred thirty-nine billion, six hundred seventy-six million, eight hundred sixty-six thousand, five hundred ninety".