131254427 has 2 divisors, whose sum is σ = 131254428. Its totient is φ = 131254426.

The previous prime is 131254411. The next prime is 131254477. The reversal of 131254427 is 724452131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131254427 - 2⁴ = 131254411 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131254427.

It is not a weakly prime, because it can be changed into another prime (131254477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65627213 + 65627214.

It is an arithmetic number, because the mean of its divisors is an integer number (65627214).

Almost surely, 2^131254427 is an apocalyptic number.

131254427 is a deficient number, since it is larger than the sum of its proper divisors (1).

131254427 is an equidigital number, since it uses as much as digits as its factorization.

131254427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 131254427 is about 11456.6324458804. The cubic root of 131254427 is about 508.2038921040.

The spelling of 131254427 in words is "one hundred thirty-one million, two hundred fifty-four thousand, four hundred twenty-seven".