131149653 has 4 divisors (see below), whose sum is σ = 174866208. Its totient is φ = 87433100.

The previous prime is 131149649. The next prime is 131149661. The reversal of 131149653 is 356941131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131149653 - 2² = 131149649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131149643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21858273 + ... + 21858278.

It is an arithmetic number, because the mean of its divisors is an integer number (43716552).

Almost surely, 2^131149653 is an apocalyptic number.

It is an amenable number.

131149653 is a deficient number, since it is larger than the sum of its proper divisors (43716555).

131149653 is an equidigital number, since it uses as much as digits as its factorization.

131149653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43716554.

The product of its digits is 9720, while the sum is 33.

The square root of 131149653 is about 11452.0588978576. The cubic root of 131149653 is about 508.0686313230.

The spelling of 131149653 in words is "one hundred thirty-one million, one hundred forty-nine thousand, six hundred fifty-three".