131259256 has 16 divisors (see below), whose sum is σ = 249483600. Its totient is φ = 64730304.

The previous prime is 131259253. The next prime is 131259259. The reversal of 131259256 is 652952131.

It is an interprime number because it is at equal distance from previous prime (131259253) and next prime (131259259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131259253) 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 3 ways as a sum of consecutive naturals, for example, 111796 + ... + 112963.

It is an arithmetic number, because the mean of its divisors is an integer number (15592725).

Almost surely, 2^131259256 is an apocalyptic number.

It is an amenable number.

131259256 is a deficient number, since it is larger than the sum of its proper divisors (118224344).

131259256 is a wasteful number, since it uses less digits than its factorization.

131259256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224838 (or 224834 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 131259256 is about 11456.8431952262. The cubic root of 131259256 is about 508.2101244945.

The spelling of 131259256 in words is "one hundred thirty-one million, two hundred fifty-nine thousand, two hundred fifty-six".