139056260 has 48 divisors (see below), whose sum is σ = 353372544. Its totient is φ = 44871168.

The previous prime is 139056251. The next prime is 139056263. The reversal of 139056260 is 62650931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139056263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26834 + ... + 31593.

It is an arithmetic number, because the mean of its divisors is an integer number (7361928).

Almost surely, 2^139056260 is an apocalyptic number.

139056260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139056260 is an abundant number, since it is smaller than the sum of its proper divisors (214316284).

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

139056260 is a wasteful number, since it uses less digits than its factorization.

139056260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58460 (or 58458 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 139056260 is about 11792.2118366318. The cubic root of 139056260 is about 518.0800252029.

The spelling of 139056260 in words is "one hundred thirty-nine million, fifty-six thousand, two hundred sixty".