131542132 has 12 divisors (see below), whose sum is σ = 230950720. Its totient is φ = 65556216.

The previous prime is 131542123. The next prime is 131542133. The reversal of 131542132 is 231245131.

It is a happy number.

It is a super-2 number, since 2×131542132² = 34606664982210848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131542133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52332 + ... + 54787.

Almost surely, 2^131542132 is an apocalyptic number.

It is an amenable number.

131542132 is a deficient number, since it is larger than the sum of its proper divisors (99408588).

131542132 is a wasteful number, since it uses less digits than its factorization.

131542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107430 (or 107428 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 131542132 is about 11469.1818365566. The cubic root of 131542132 is about 508.5749426988.

Adding to 131542132 its reverse (231245131), we get a palindrome (362787263).

The spelling of 131542132 in words is "one hundred thirty-one million, five hundred forty-two thousand, one hundred thirty-two".