131344256 has 16 divisors (see below), whose sum is σ = 261662640. Its totient is φ = 65672064.

The previous prime is 131344253. The next prime is 131344271. The reversal of 131344256 is 652443131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512936 + ... + 513191.

It is an arithmetic number, because the mean of its divisors is an integer number (16353915).

Almost surely, 2^131344256 is an apocalyptic number.

131344256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131344256 is a deficient number, since it is larger than the sum of its proper divisors (130318384).

131344256 is an equidigital number, since it uses as much as digits as its factorization.

131344256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026141 (or 1026129 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 131344256 is about 11460.5521681985. The cubic root of 131344256 is about 508.3198019391.

Adding to 131344256 its reverse (652443131), we get a palindrome (783787387).

The spelling of 131344256 in words is "one hundred thirty-one million, three hundred forty-four thousand, two hundred fifty-six".