131252536 has 16 divisors (see below), whose sum is σ = 256798800. Its totient is φ = 62772864.

The previous prime is 131252533. The next prime is 131252549. The reversal of 131252536 is 635252131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356481 + ... + 356848.

It is an arithmetic number, because the mean of its divisors is an integer number (16049925).

Almost surely, 2^131252536 is an apocalyptic number.

It is an amenable number.

131252536 is a deficient number, since it is larger than the sum of its proper divisors (125546264).

131252536 is a wasteful number, since it uses less digits than its factorization.

131252536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713358 (or 713354 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 131252536 is about 11456.5499169689. The cubic root of 131252536 is about 508.2014515053.

The spelling of 131252536 in words is "one hundred thirty-one million, two hundred fifty-two thousand, five hundred thirty-six".