139748109144 has 64 divisors (see below), whose sum is σ = 399338365440. Its totient is φ = 39922225920.

The previous prime is 139748109139. The next prime is 139748109191. The reversal of 139748109144 is 441901847931.

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, 1173117 + ... + 1286739.

It is an arithmetic number, because the mean of its divisors is an integer number (6239661960).

Almost surely, 2^139748109144 is an apocalyptic number.

139748109144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139748109144 is an abundant number, since it is smaller than the sum of its proper divisors (259590256296).

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

139748109144 is a wasteful number, since it uses less digits than its factorization.

139748109144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120960 (or 120956 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 139748109144 in words is "one hundred thirty-nine billion, seven hundred forty-eight million, one hundred nine thousand, one hundred forty-four".