131135264 has 96 divisors (see below), whose sum is σ = 299738880. Its totient is φ = 55959552.

The previous prime is 131135243. The next prime is 131135267. The reversal of 131135264 is 462531131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (131135267) 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, 371312 + ... + 371664.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 2^131135264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131135264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149869440).

131135264 is an abundant number, since it is smaller than the sum of its proper divisors (168603616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131135264 is a wasteful number, since it uses less digits than its factorization.

131135264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 434 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 131135264 is about 11451.4306529796. The cubic root of 131135264 is about 508.0500498355.

Adding to 131135264 its reverse (462531131), we get a palindrome (593666395).

The spelling of 131135264 in words is "one hundred thirty-one million, one hundred thirty-five thousand, two hundred sixty-four".