131186253 has 8 divisors (see below), whose sum is σ = 190816416. Its totient is φ = 79506800.

The previous prime is 131186239. The next prime is 131186269. The reversal of 131186253 is 352681131.

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

It is a cyclic number.

It is not a de Polignac number, because 131186253 - 2⁵ = 131186221 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 131186253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131186213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1987638 + ... + 1987703.

It is an arithmetic number, because the mean of its divisors is an integer number (23852052).

Almost surely, 2^131186253 is an apocalyptic number.

It is an amenable number.

131186253 is a deficient number, since it is larger than the sum of its proper divisors (59630163).

131186253 is a wasteful number, since it uses less digits than its factorization.

131186253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975355.

The product of its digits is 4320, while the sum is 30.

The square root of 131186253 is about 11453.6567523215. The cubic root of 131186253 is about 508.1158892505.

The spelling of 131186253 in words is "one hundred thirty-one million, one hundred eighty-six thousand, two hundred fifty-three".