131404342477 has 8 divisors (see below), whose sum is σ = 133396785792. Its totient is φ = 129415834800.

The previous prime is 131404342397. The next prime is 131404342493. The reversal of 131404342477 is 774243404131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131404342477 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 (131404346477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916593 + ... + 1050214.

It is an arithmetic number, because the mean of its divisors is an integer number (16674598224).

Almost surely, 2^131404342477 is an apocalyptic number.

It is an amenable number.

131404342477 is a deficient number, since it is larger than the sum of its proper divisors (1992443315).

131404342477 is an equidigital number, since it uses as much as digits as its factorization.

131404342477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967819.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 131404342477 in words is "one hundred thirty-one billion, four hundred four million, three hundred forty-two thousand, four hundred seventy-seven".