131264570 has 24 divisors (see below), whose sum is σ = 240869916. Its totient is φ = 51504128.

The previous prime is 131264569. The next prime is 131264593. The reversal of 131264570 is 75462131.

It can be written as a sum of positive squares in 6 ways, for example, as 116877721 + 14386849 = 10811^2 + 3793^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25754 + ... + 30426.

Almost surely, 2^131264570 is an apocalyptic number.

131264570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131264570 is a deficient number, since it is larger than the sum of its proper divisors (109605346).

131264570 is an equidigital number, since it uses as much as digits as its factorization.

131264570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 131264570 is about 11457.0751066754. The cubic root of 131264570 is about 508.2169826576.

The spelling of 131264570 in words is "one hundred thirty-one million, two hundred sixty-four thousand, five hundred seventy".