131256367 has 16 divisors (see below), whose sum is σ = 146234880. Its totient is φ = 116812800.

The previous prime is 131256361. The next prime is 131256373. The reversal of 131256367 is 763652131.

It is an interprime number because it is at equal distance from previous prime (131256361) and next prime (131256373).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131256367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131256361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113263 + ... + 114415.

It is an arithmetic number, because the mean of its divisors is an integer number (9139680).

Almost surely, 2^131256367 is an apocalyptic number.

131256367 is a deficient number, since it is larger than the sum of its proper divisors (14978513).

131256367 is a wasteful number, since it uses less digits than its factorization.

131256367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 22680, while the sum is 34.

The square root of 131256367 is about 11456.7171126811. The cubic root of 131256367 is about 508.2063959198.

The spelling of 131256367 in words is "one hundred thirty-one million, two hundred fifty-six thousand, three hundred sixty-seven".