131366456427 has 8 divisors (see below), whose sum is σ = 177554662864. Its totient is φ = 86377943808.

The previous prime is 131366456413. The next prime is 131366456479. The reversal of 131366456427 is 724654663131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131366456427 - 2¹⁸ = 131366194283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131366456327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299923198 + ... + 299923635.

It is an arithmetic number, because the mean of its divisors is an integer number (22194332858).

Almost surely, 2^131366456427 is an apocalyptic number.

131366456427 is a deficient number, since it is larger than the sum of its proper divisors (46188206437).

131366456427 is an equidigital number, since it uses as much as digits as its factorization.

131366456427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599846909.

The product of its digits is 2177280, while the sum is 48.

The spelling of 131366456427 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred fifty-six thousand, four hundred twenty-seven".