139268960 has 24 divisors (see below), whose sum is σ = 329023296. Its totient is φ = 55707520.

The previous prime is 139268929. The next prime is 139268963. The reversal of 139268960 is 69862931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139268963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435056 + ... + 435375.

It is an arithmetic number, because the mean of its divisors is an integer number (13709304).

Almost surely, 2^139268960 is an apocalyptic number.

139268960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139268960 is an abundant number, since it is smaller than the sum of its proper divisors (189754336).

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

139268960 is an equidigital number, since it uses as much as digits as its factorization.

139268960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870446 (or 870438 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 139268960 is about 11801.2270548448. The cubic root of 139268960 is about 518.3440418057.

The spelling of 139268960 in words is "one hundred thirty-nine million, two hundred sixty-eight thousand, nine hundred sixty".