130722764 has 12 divisors (see below), whose sum is σ = 229119744. Its totient is φ = 65259984.

The previous prime is 130722763. The next prime is 130722773. The reversal of 130722764 is 467227031.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 130722764.

It is not an unprimeable number, because it can be changed into a prime (130722763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22412 + ... + 27635.

It is an arithmetic number, because the mean of its divisors is an integer number (19093312).

Almost surely, 2^130722764 is an apocalyptic number.

It is an amenable number.

130722764 is a deficient number, since it is larger than the sum of its proper divisors (98396980).

130722764 is a wasteful number, since it uses less digits than its factorization.

130722764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50704 (or 50702 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 130722764 is about 11433.4056168755. The cubic root of 130722764 is about 507.5167817014.

Adding to 130722764 its reverse (467227031), we get a palindrome (597949795).

The spelling of 130722764 in words is "one hundred thirty million, seven hundred twenty-two thousand, seven hundred sixty-four".