131436427429 has 48 divisors (see below), whose sum is σ = 143305747200. Its totient is φ = 120333927168.

The previous prime is 131436427403. The next prime is 131436427453. The reversal of 131436427429 is 924724634131.

It is not a de Polignac number, because 131436427429 - 2¹³ = 131436419237 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 (131436457429) 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 47 ways as a sum of consecutive naturals, for example, 549943092 + ... + 549943330.

It is an arithmetic number, because the mean of its divisors is an integer number (2985536400).

Almost surely, 2^131436427429 is an apocalyptic number.

It is an amenable number.

131436427429 is a deficient number, since it is larger than the sum of its proper divisors (11869319771).

131436427429 is a wasteful number, since it uses less digits than its factorization.

131436427429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 521 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The spelling of 131436427429 in words is "one hundred thirty-one billion, four hundred thirty-six million, four hundred twenty-seven thousand, four hundred twenty-nine".