139741872 has 40 divisors (see below), whose sum is σ = 361528944. Its totient is φ = 46512384.

The previous prime is 139741841. The next prime is 139741897. The reversal of 139741872 is 278147931.

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, 39238 + ... + 42650.

Almost surely, 2^139741872 is an apocalyptic number.

139741872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139741872 is an abundant number, since it is smaller than the sum of its proper divisors (221787072).

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

139741872 is a wasteful number, since it uses less digits than its factorization.

139741872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277 (or 4271 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 139741872 is about 11821.2466347674. The cubic root of 139741872 is about 518.9300881101.

The spelling of 139741872 in words is "one hundred thirty-nine million, seven hundred forty-one thousand, eight hundred seventy-two".