131191148 has 24 divisors (see below), whose sum is σ = 251731200. Its totient is φ = 59328720.

The previous prime is 131191139. The next prime is 131191243. The reversal of 131191148 is 841191131.

It is a super-2 number, since 2×131191148² = 34422234627115808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131191148.

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, 1265 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (10488800).

Almost surely, 2^131191148 is an apocalyptic number.

It is an amenable number.

131191148 is a deficient number, since it is larger than the sum of its proper divisors (120540052).

131191148 is a wasteful number, since it uses less digits than its factorization.

131191148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197 (or 15195 counting only the distinct ones).

The product of its digits is 864, while the sum is 29.

The square root of 131191148 is about 11453.8704375421. The cubic root of 131191148 is about 508.1222090091.

The spelling of 131191148 in words is "one hundred thirty-one million, one hundred ninety-one thousand, one hundred forty-eight".