131155260 has 24 divisors (see below), whose sum is σ = 367234896. Its totient is φ = 34974720.

The previous prime is 131155259. The next prime is 131155301. The reversal of 131155260 is 62551131.

It is a self number, because there is not a number n which added to its sum of digits gives 131155260.

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, 1092901 + ... + 1093020.

It is an arithmetic number, because the mean of its divisors is an integer number (15301454).

Almost surely, 2^131155260 is an apocalyptic number.

131155260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131155260 is an abundant number, since it is smaller than the sum of its proper divisors (236079636).

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

131155260 is a wasteful number, since it uses less digits than its factorization.

131155260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185933 (or 2185931 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 131155260 is about 11452.3036983831. The cubic root of 131155260 is about 508.0758716528.

The spelling of 131155260 in words is "one hundred thirty-one million, one hundred fifty-five thousand, two hundred sixty".