131928575 has 18 divisors (see below), whose sum is σ = 171061224. Its totient is φ = 100743280.

The previous prime is 131928553. The next prime is 131928613. The reversal of 131928575 is 575829131.

It is not a de Polignac number, because 131928575 - 2¹⁴ = 131912191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 275186 + ... + 275664.

Almost surely, 2^131928575 is an apocalyptic number.

131928575 is a deficient number, since it is larger than the sum of its proper divisors (39132649).

131928575 is an frugal number, since it uses more digits than its factorization.

131928575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 507 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 131928575 is about 11486.0164983340. The cubic root of 131928575 is about 509.0724843798.

The spelling of 131928575 in words is "one hundred thirty-one million, nine hundred twenty-eight thousand, five hundred seventy-five".