132113531 has 12 divisors (see below), whose sum is σ = 149275464. Its totient is φ = 115953600.

The previous prime is 132113503. The next prime is 132113539. The reversal of 132113531 is 135311231.

It is a de Polignac number, because none of the positive numbers 2^k-132113531 is a prime.

It is a super-2 number, since 2×132113531² = 34907970146575922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132113539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2111 + ... + 16391.

It is an arithmetic number, because the mean of its divisors is an integer number (12439622).

Almost surely, 2^132113531 is an apocalyptic number.

132113531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132113531 is a deficient number, since it is larger than the sum of its proper divisors (17161933).

132113531 is a wasteful number, since it uses less digits than its factorization.

132113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350 (or 14321 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 132113531 is about 11494.0650337468. The cubic root of 132113531 is about 509.3102697225.

Adding to 132113531 its reverse (135311231), we get a palindrome (267424762).

The spelling of 132113531 in words is "one hundred thirty-two million, one hundred thirteen thousand, five hundred thirty-one".