131653564 has 24 divisors (see below), whose sum is σ = 274756608. Its totient is φ = 53969520.

The previous prime is 131653553. The next prime is 131653567. The reversal of 131653564 is 465356131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131653567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101572 + ... + 102859.

It is an arithmetic number, because the mean of its divisors is an integer number (11448192).

Almost surely, 2^131653564 is an apocalyptic number.

131653564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131653564 is an abundant number, since it is smaller than the sum of its proper divisors (143103044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131653564 is a wasteful number, since it uses less digits than its factorization.

131653564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204465 (or 204463 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 131653564 is about 11474.0386961174. The cubic root of 131653564 is about 508.7185102062.

The spelling of 131653564 in words is "one hundred thirty-one million, six hundred fifty-three thousand, five hundred sixty-four".