131132418 has 16 divisors (see below), whose sum is σ = 270725376. Its totient is φ = 42300720.

The previous prime is 131132411. The next prime is 131132423. The reversal of 131132418 is 814231131.

It is a super-2 number, since 2×131132418² = 34391422101053448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131132411) 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, 352321 + ... + 352692.

It is an arithmetic number, because the mean of its divisors is an integer number (16920336).

Almost surely, 2^131132418 is an apocalyptic number.

131132418 is an abundant number, since it is smaller than the sum of its proper divisors (139592958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131132418 is a wasteful number, since it uses less digits than its factorization.

131132418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705049.

The product of its digits is 576, while the sum is 24.

The square root of 131132418 is about 11451.3063883559. The cubic root of 131132418 is about 508.0463744425.

Adding to 131132418 its reverse (814231131), we get a palindrome (945363549).

The spelling of 131132418 in words is "one hundred thirty-one million, one hundred thirty-two thousand, four hundred eighteen".