131274413 has 4 divisors (see below), whose sum is σ = 131999868. Its totient is φ = 130548960.

The previous prime is 131274397. The next prime is 131274419. The reversal of 131274413 is 314472131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314472131 = 5153 ⋅61027.

It can be written as a sum of positive squares in 2 ways, for example, as 24730729 + 106543684 = 4973^2 + 10322^2 .

It is a cyclic number.

It is not a de Polignac number, because 131274413 - 2⁴ = 131274397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131274419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362456 + ... + 362817.

It is an arithmetic number, because the mean of its divisors is an integer number (32999967).

Almost surely, 2^131274413 is an apocalyptic number.

It is an amenable number.

131274413 is a deficient number, since it is larger than the sum of its proper divisors (725455).

131274413 is an equidigital number, since it uses as much as digits as its factorization.

131274413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725454.

The product of its digits is 2016, while the sum is 26.

The square root of 131274413 is about 11457.5046585197. The cubic root of 131274413 is about 508.2296853864.

The spelling of 131274413 in words is "one hundred thirty-one million, two hundred seventy-four thousand, four hundred thirteen".