139118260 has 48 divisors (see below), whose sum is σ = 306625536. Its totient is φ = 52918272.

The previous prime is 139118251. The next prime is 139118267. The reversal of 139118260 is 62811931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139118267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87997 + ... + 89563.

It is an arithmetic number, because the mean of its divisors is an integer number (6388032).

Almost surely, 2^139118260 is an apocalyptic number.

139118260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139118260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153312768).

139118260 is an abundant number, since it is smaller than the sum of its proper divisors (167507276).

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

139118260 is a wasteful number, since it uses less digits than its factorization.

139118260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 139118260 is about 11794.8403973941. The cubic root of 139118260 is about 518.1570112825.

The spelling of 139118260 in words is "one hundred thirty-nine million, one hundred eighteen thousand, two hundred sixty".