131715429 has 8 divisors (see below), whose sum is σ = 184863840. Its totient is φ = 83188656.

The previous prime is 131715421. The next prime is 131715431. The reversal of 131715429 is 924517131.

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

It is not a de Polignac number, because 131715429 - 2³ = 131715421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131715429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131715421) 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, 1155342 + ... + 1155455.

It is an arithmetic number, because the mean of its divisors is an integer number (23107980).

Almost surely, 2^131715429 is an apocalyptic number.

131715429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

131715429 is a deficient number, since it is larger than the sum of its proper divisors (53148411).

131715429 is a wasteful number, since it uses less digits than its factorization.

131715429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310819.

The product of its digits is 7560, while the sum is 33.

The square root of 131715429 is about 11476.7342480342. The cubic root of 131715429 is about 508.7981812796.

The spelling of 131715429 in words is "one hundred thirty-one million, seven hundred fifteen thousand, four hundred twenty-nine".