131151188 has 24 divisors (see below), whose sum is σ = 263163264. Its totient is φ = 56023200.

The previous prime is 131151187. The next prime is 131151191. The reversal of 131151188 is 881151131.

It is a happy number.

It is a super-2 number, since 2×131151188² = 34401268227622688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 131151188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131151187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (10965136).

Almost surely, 2^131151188 is an apocalyptic number.

It is an amenable number.

131151188 is an abundant number, since it is smaller than the sum of its proper divisors (132012076).

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

131151188 is a wasteful number, since it uses less digits than its factorization.

131151188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15383 (or 15381 counting only the distinct ones).

The product of its digits is 960, while the sum is 29.

The square root of 131151188 is about 11452.1259161782. The cubic root of 131151188 is about 508.0706134920.

The spelling of 131151188 in words is "one hundred thirty-one million, one hundred fifty-one thousand, one hundred eighty-eight".