131132534 has 16 divisors (see below), whose sum is σ = 214993968. Its totient is φ = 59618592.

The previous prime is 131132501. The next prime is 131132537. The reversal of 131132534 is 435231131.

It is a super-2 number, since 2×131132534² = 34391482946522312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132537) 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, 35897 + ... + 39380.

It is an arithmetic number, because the mean of its divisors is an integer number (13437123).

Almost surely, 2^131132534 is an apocalyptic number.

131132534 is a deficient number, since it is larger than the sum of its proper divisors (83861434).

131132534 is a wasteful number, since it uses less digits than its factorization.

131132534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75359.

The product of its digits is 1080, while the sum is 23.

The square root of 131132534 is about 11451.3114532791. The cubic root of 131132534 is about 508.0465242488.

Adding to 131132534 its reverse (435231131), we get a palindrome (566363665).

The spelling of 131132534 in words is "one hundred thirty-one million, one hundred thirty-two thousand, five hundred thirty-four".