131274641 has 4 divisors (see below), whose sum is σ = 133234032. Its totient is φ = 129315252.

The previous prime is 131274607. The next prime is 131274653. The reversal of 131274641 is 146472131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131274641 - 2¹⁰ = 131273617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131274691) 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, 979595 + ... + 979728.

It is an arithmetic number, because the mean of its divisors is an integer number (33308508).

Almost surely, 2^131274641 is an apocalyptic number.

It is an amenable number.

131274641 is a deficient number, since it is larger than the sum of its proper divisors (1959391).

131274641 is an equidigital number, since it uses as much as digits as its factorization.

131274641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959390.

The product of its digits is 4032, while the sum is 29.

The square root of 131274641 is about 11457.5146083258. The cubic root of 131274641 is about 508.2299796207.

The spelling of 131274641 in words is "one hundred thirty-one million, two hundred seventy-four thousand, six hundred forty-one".