131250135 has 16 divisors (see below), whose sum is σ = 210180096. Its totient is φ = 69940128.

The previous prime is 131250127. The next prime is 131250173. The reversal of 131250135 is 531052131.

It is not a de Polignac number, because 131250135 - 2³ = 131250127 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 18682 + ... + 24728.

It is an arithmetic number, because the mean of its divisors is an integer number (13136256).

Almost surely, 2^131250135 is an apocalyptic number.

131250135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131250135 is a deficient number, since it is larger than the sum of its proper divisors (78929961).

131250135 is a wasteful number, since it uses less digits than its factorization.

131250135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 131250135 is about 11456.4451292711. The cubic root of 131250135 is about 508.1983526467.

The spelling of 131250135 in words is "one hundred thirty-one million, two hundred fifty thousand, one hundred thirty-five".