131337429 has 8 divisors (see below), whose sum is σ = 182730432. Its totient is φ = 83751360.

The previous prime is 131337407. The next prime is 131337449. The reversal of 131337429 is 924733131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131337429 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131337429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131337449) 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, 951652 + ... + 951789.

It is an arithmetic number, because the mean of its divisors is an integer number (22841304).

Almost surely, 2^131337429 is an apocalyptic number.

It is an amenable number.

131337429 is a deficient number, since it is larger than the sum of its proper divisors (51393003).

131337429 is a wasteful number, since it uses less digits than its factorization.

131337429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903467.

The product of its digits is 13608, while the sum is 33.

The square root of 131337429 is about 11460.2543165499. The cubic root of 131337429 is about 508.3109946527.

The spelling of 131337429 in words is "one hundred thirty-one million, three hundred thirty-seven thousand, four hundred twenty-nine".