131922429 has 8 divisors (see below), whose sum is σ = 176790240. Its totient is φ = 87501456.

The previous prime is 131922419. The next prime is 131922451. The reversal of 131922429 is 924229131.

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

It is not a de Polignac number, because 131922429 - 2⁹ = 131921917 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 131922429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131922419) 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, 111019 + ... + 112200.

It is an arithmetic number, because the mean of its divisors is an integer number (22098780).

Almost surely, 2^131922429 is an apocalyptic number.

It is an amenable number.

131922429 is a deficient number, since it is larger than the sum of its proper divisors (44867811).

131922429 is a wasteful number, since it uses less digits than its factorization.

131922429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223419.

The product of its digits is 7776, while the sum is 33.

The square root of 131922429 is about 11485.7489525063. The cubic root of 131922429 is about 509.0645790717.

The spelling of 131922429 in words is "one hundred thirty-one million, nine hundred twenty-two thousand, four hundred twenty-nine".