139460672 has 28 divisors (see below), whose sum is σ = 298031916. Its totient is φ = 64366080.

The previous prime is 139460591. The next prime is 139460743. The reversal of 139460672 is 276064931.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 134003776 = 2336^2 + 11576^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82979 + ... + 84642.

It is an arithmetic number, because the mean of its divisors is an integer number (10643997).

Almost surely, 2^139460672 is an apocalyptic number.

It is an amenable number.

139460672 is an abundant number, since it is smaller than the sum of its proper divisors (158571244).

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

139460672 is a wasteful number, since it uses less digits than its factorization.

139460672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167646 (or 167636 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 139460672 is about 11809.3468066612. The cubic root of 139460672 is about 518.5817765464.

The spelling of 139460672 in words is "one hundred thirty-nine million, four hundred sixty thousand, six hundred seventy-two".