139043072 has 36 divisors (see below), whose sum is σ = 317196096. Its totient is φ = 59589120.

The previous prime is 139043059. The next prime is 139043089. The reversal of 139043072 is 270340931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37004 + ... + 40587.

Almost surely, 2^139043072 is an apocalyptic number.

It is an amenable number.

139043072 is an abundant number, since it is smaller than the sum of its proper divisors (178153024).

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

139043072 is an frugal number, since it uses more digits than its factorization.

139043072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77614 (or 77600 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 139043072 is about 11791.6526407455. The cubic root of 139043072 is about 518.0636465674.

The spelling of 139043072 in words is "one hundred thirty-nine million, forty-three thousand, seventy-two".