131169152 has 32 divisors (see below), whose sum is σ = 262144080. Its totient is φ = 65376256.

The previous prime is 131169131. The next prime is 131169173. The reversal of 131169152 is 251961131.

It is an interprime number because it is at equal distance from previous prime (131169131) and next prime (131169173).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43733 + ... + 46635.

Almost surely, 2^131169152 is an apocalyptic number.

It is an amenable number.

131169152 is a deficient number, since it is larger than the sum of its proper divisors (130974928).

131169152 is an equidigital number, since it uses as much as digits as its factorization.

131169152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270 (or 3258 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 131169152 is about 11452.9101978493. The cubic root of 131169152 is about 508.0938095300.

The spelling of 131169152 in words is "one hundred thirty-one million, one hundred sixty-nine thousand, one hundred fifty-two".