131464562 has 4 divisors (see below), whose sum is σ = 197196846. Its totient is φ = 65732280.

The previous prime is 131464561. The next prime is 131464639. The reversal of 131464562 is 265464131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 109851361 + 21613201 = 10481^2 + 4649^2 .

It is not an unprimeable number, because it can be changed into a prime (131464561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32866139 + ... + 32866142.

Almost surely, 2^131464562 is an apocalyptic number.

131464562 is a deficient number, since it is larger than the sum of its proper divisors (65732284).

131464562 is an equidigital number, since it uses as much as digits as its factorization.

131464562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65732283.

The product of its digits is 17280, while the sum is 32.

The square root of 131464562 is about 11465.7996668353. The cubic root of 131464562 is about 508.4749546701.

The spelling of 131464562 in words is "one hundred thirty-one million, four hundred sixty-four thousand, five hundred sixty-two".