139560232 has 48 divisors (see below), whose sum is σ = 308631060. Its totient is φ = 58980096.

The previous prime is 139560229. The next prime is 139560271. The reversal of 139560232 is 232065931.

It can be written as a sum of positive squares in 2 ways, for example, as 138627076 + 933156 = 11774^2 + 966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 139560194 and 139560203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26178 + ... + 31054.

Almost surely, 2^139560232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139560232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154315530).

139560232 is an abundant number, since it is smaller than the sum of its proper divisors (169070828).

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

139560232 is a wasteful number, since it uses less digits than its factorization.

139560232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4959 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 139560232 is about 11813.5613597255. The cubic root of 139560232 is about 518.7051511621.

The spelling of 139560232 in words is "one hundred thirty-nine million, five hundred sixty thousand, two hundred thirty-two".