131134516 has 6 divisors (see below), whose sum is σ = 229485410. Its totient is φ = 65567256.

The previous prime is 131134501. The next prime is 131134517. The reversal of 131134516 is 615431131.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 9120400 = 11046^2 + 3020^2 .

It is a super-2 number, since 2×131134516² = 34392522573108512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16391811 + ... + 16391818.

Almost surely, 2^131134516 is an apocalyptic number.

131134516 is the 7243-rd centered pentagonal number.

It is an amenable number.

131134516 is a deficient number, since it is larger than the sum of its proper divisors (98350894).

131134516 is a wasteful number, since it uses less digits than its factorization.

131134516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32783633 (or 32783631 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 131134516 is about 11451.3979932583. The cubic root of 131134516 is about 508.0490838555.

Adding to 131134516 its reverse (615431131), we get a palindrome (746565647).

The spelling of 131134516 in words is "one hundred thirty-one million, one hundred thirty-four thousand, five hundred sixteen".