131911264 has 12 divisors (see below), whose sum is σ = 259700364. Its totient is φ = 65955616.

The previous prime is 131911259. The next prime is 131911267. The reversal of 131911264 is 462119131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131911267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061082 + ... + 2061145.

It is an arithmetic number, because the mean of its divisors is an integer number (21641697).

Almost surely, 2^131911264 is an apocalyptic number.

It is an amenable number.

131911264 is a deficient number, since it is larger than the sum of its proper divisors (127789100).

131911264 is an equidigital number, since it uses as much as digits as its factorization.

131911264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122237 (or 4122229 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 131911264 is about 11485.2629051320. The cubic root of 131911264 is about 509.0502174341.

The spelling of 131911264 in words is "one hundred thirty-one million, nine hundred eleven thousand, two hundred sixty-four".