131542075 has 12 divisors (see below), whose sum is σ = 186414160. Its totient is φ = 90200160.

The previous prime is 131542051. The next prime is 131542087. The reversal of 131542075 is 570245131.

It is a happy number.

It is not a de Polignac number, because 131542075 - 2⁵ = 131542043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375660 + ... + 376009.

Almost surely, 2^131542075 is an apocalyptic number.

131542075 is a deficient number, since it is larger than the sum of its proper divisors (54872085).

131542075 is an equidigital number, since it uses as much as digits as its factorization.

131542075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751686 (or 751681 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 131542075 is about 11469.1793516363. The cubic root of 131542075 is about 508.5748692400.

The spelling of 131542075 in words is "one hundred thirty-one million, five hundred forty-two thousand, seventy-five".