130641756 has 24 divisors (see below), whose sum is σ = 348378240. Its totient is φ = 37326192.

The previous prime is 130641737. The next prime is 130641769. The reversal of 130641756 is 657146031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777546 + ... + 777713.

It is an arithmetic number, because the mean of its divisors is an integer number (14515760).

Almost surely, 2^130641756 is an apocalyptic number.

It is an amenable number.

130641756 is an abundant number, since it is smaller than the sum of its proper divisors (217736484).

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

130641756 is a wasteful number, since it uses less digits than its factorization.

130641756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555273 (or 1555271 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 130641756 is about 11429.8624663642. The cubic root of 130641756 is about 507.4119251495.

Adding to 130641756 its reverse (657146031), we get a palindrome (787787787).

The spelling of 130641756 in words is "one hundred thirty million, six hundred forty-one thousand, seven hundred fifty-six".