139265500 has 48 divisors (see below), whose sum is σ = 331819488. Its totient is φ = 50640000.

The previous prime is 139265491. The next prime is 139265527. The reversal of 139265500 is 5562931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7161 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (6912906).

Almost surely, 2^139265500 is an apocalyptic number.

139265500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139265500 is an abundant number, since it is smaller than the sum of its proper divisors (192553988).

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

139265500 is a wasteful number, since it uses less digits than its factorization.

139265500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351 (or 25339 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 139265500 is about 11801.0804590088. The cubic root of 139265500 is about 518.3397491880.

The spelling of 139265500 in words is "one hundred thirty-nine million, two hundred sixty-five thousand, five hundred".