131169272 has 32 divisors (see below), whose sum is σ = 269362800. Its totient is φ = 59510784.

The previous prime is 131169271. The next prime is 131169281. The reversal of 131169272 is 272961131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131169271) 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, 4553 + ... + 16824.

Almost surely, 2^131169272 is an apocalyptic number.

It is an amenable number.

131169272 is an abundant number, since it is smaller than the sum of its proper divisors (138193528).

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

131169272 is a wasteful number, since it uses less digits than its factorization.

131169272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455 (or 21451 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 131169272 is about 11452.9154366912. The cubic root of 131169272 is about 508.0939644730.

The spelling of 131169272 in words is "one hundred thirty-one million, one hundred sixty-nine thousand, two hundred seventy-two".