131562667 has 4 divisors (see below), whose sum is σ = 135806656. Its totient is φ = 127318680.

The previous prime is 131562659. The next prime is 131562689. The reversal of 131562667 is 766265131.

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

It is a cyclic number.

It is not a de Polignac number, because 131562667 - 2³ = 131562659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131562367) 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 in 3 ways as a sum of consecutive naturals, for example, 2121948 + ... + 2122009.

It is an arithmetic number, because the mean of its divisors is an integer number (33951664).

Almost surely, 2^131562667 is an apocalyptic number.

131562667 is a deficient number, since it is larger than the sum of its proper divisors (4243989).

131562667 is an equidigital number, since it uses as much as digits as its factorization.

131562667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243988.

The product of its digits is 45360, while the sum is 37.

The square root of 131562667 is about 11470.0770267684. The cubic root of 131562667 is about 508.6014058121.

The spelling of 131562667 in words is "one hundred thirty-one million, five hundred sixty-two thousand, six hundred sixty-seven".