139949368500 has 48 divisors (see below), whose sum is σ = 407532565440. Its totient is φ = 37319831200.

The previous prime is 139949368483. The next prime is 139949368609. The reversal of 139949368500 is 5863949931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46648290 + ... + 46651289.

It is an arithmetic number, because the mean of its divisors is an integer number (8490261780).

Almost surely, 2^139949368500 is an apocalyptic number.

139949368500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139949368500 is an abundant number, since it is smaller than the sum of its proper divisors (267583196940).

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

139949368500 is a wasteful number, since it uses less digits than its factorization.

139949368500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93299601 (or 93299589 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 139949368500 in words is "one hundred thirty-nine billion, nine hundred forty-nine million, three hundred sixty-eight thousand, five hundred".