500139340 has 12 divisors (see below), whose sum is σ = 1050292656. Its totient is φ = 200055728.

The previous prime is 500139329. The next prime is 500139359. The reversal of 500139340 is 43931005.

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, 12503464 + ... + 12503503.

It is an arithmetic number, because the mean of its divisors is an integer number (87524388).

Almost surely, 2^500139340 is an apocalyptic number.

It is an amenable number.

500139340 is an abundant number, since it is smaller than the sum of its proper divisors (550153316).

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

500139340 is a wasteful number, since it uses less digits than its factorization.

500139340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006976 (or 25006974 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 500139340 is about 22363.7952950746. The cubic root of 500139340 is about 793.7742486237.

The spelling of 500139340 in words is "five hundred million, one hundred thirty-nine thousand, three hundred forty".