131325770 has 16 divisors (see below), whose sum is σ = 236710728. Its totient is φ = 52458240.

The previous prime is 131325763. The next prime is 131325781. The reversal of 131325770 is 77523131.

It can be written as a sum of positive squares in 4 ways, for example, as 23726641 + 107599129 = 4871^2 + 10373^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 16238.

Almost surely, 2^131325770 is an apocalyptic number.

131325770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131325770 is a deficient number, since it is larger than the sum of its proper divisors (105384958).

131325770 is a wasteful number, since it uses less digits than its factorization.

131325770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18025.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 131325770 is about 11459.7456341753. The cubic root of 131325770 is about 508.2959530577.

The spelling of 131325770 in words is "one hundred thirty-one million, three hundred twenty-five thousand, seven hundred seventy".