131405137423 has 8 divisors (see below), whose sum is σ = 150184507680. Its totient is φ = 112627569120.

The previous prime is 131405137417. The next prime is 131405137429. The reversal of 131405137423 is 324731504131.

It is an interprime number because it is at equal distance from previous prime (131405137417) and next prime (131405137429).

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

It is a cyclic number.

It is not a de Polignac number, because 131405137423 - 2⁹ = 131405136911 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 (131405137429) 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, 290428 + ... + 589201.

It is an arithmetic number, because the mean of its divisors is an integer number (18773063460).

Almost surely, 2^131405137423 is an apocalyptic number.

131405137423 is a deficient number, since it is larger than the sum of its proper divisors (18779370257).

131405137423 is an equidigital number, since it uses as much as digits as its factorization.

131405137423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900977.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 131405137423 in words is "one hundred thirty-one billion, four hundred five million, one hundred thirty-seven thousand, four hundred twenty-three".