139161260 has 36 divisors (see below), whose sum is σ = 334322352. Its totient is φ = 47664576.

The previous prime is 139161259. The next prime is 139161271. The reversal of 139161260 is 62161931.

139161260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139082 + ... + 140078.

It is an arithmetic number, because the mean of its divisors is an integer number (9286732).

Almost surely, 2^139161260 is an apocalyptic number.

139161260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139161260 is an abundant number, since it is smaller than the sum of its proper divisors (195161092).

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

139161260 is an frugal number, since it uses more digits than its factorization.

139161260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 139161260 is about 11796.6630875006. The cubic root of 139161260 is about 518.2103914218.

The spelling of 139161260 in words is "one hundred thirty-nine million, one hundred sixty-one thousand, two hundred sixty".