139550560 has 48 divisors (see below), whose sum is σ = 330429456. Its totient is φ = 55694848.

The previous prime is 139550557. The next prime is 139550597. The reversal of 139550560 is 65055931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108642 + ... + 109918.

It is an arithmetic number, because the mean of its divisors is an integer number (6883947).

Almost surely, 2^139550560 is an apocalyptic number.

139550560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139550560 is an abundant number, since it is smaller than the sum of its proper divisors (190878896).

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

139550560 is a wasteful number, since it uses less digits than its factorization.

139550560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 139550560 is about 11813.1519925886. The cubic root of 139550560 is about 518.6931682067.

The spelling of 139550560 in words is "one hundred thirty-nine million, five hundred fifty thousand, five hundred sixty".