139894379580 has 48 divisors (see below), whose sum is σ = 395507234304. Its totient is φ = 36942980160.

The previous prime is 139894379579. The next prime is 139894379587. The reversal of 139894379580 is 85973498931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139894379587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11312136 + ... + 11324495.

It is an arithmetic number, because the mean of its divisors is an integer number (8239734048).

Almost surely, 2^139894379580 is an apocalyptic number.

139894379580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139894379580 is an abundant number, since it is smaller than the sum of its proper divisors (255612854724).

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

139894379580 is a wasteful number, since it uses less digits than its factorization.

139894379580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22636746 (or 22636744 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 139894379580 in words is "one hundred thirty-nine billion, eight hundred ninety-four million, three hundred seventy-nine thousand, five hundred eighty".