130015756 has 36 divisors (see below), whose sum is σ = 252438984. Its totient is φ = 58531200.

The previous prime is 130015747. The next prime is 130015759. The reversal of 130015756 is 657510031.

It is not an unprimeable number, because it can be changed into a prime (130015759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25371 + ... + 30061.

It is an arithmetic number, because the mean of its divisors is an integer number (7012194).

Almost surely, 2^130015756 is an apocalyptic number.

It is an amenable number.

130015756 is a deficient number, since it is larger than the sum of its proper divisors (122423228).

130015756 is a wasteful number, since it uses less digits than its factorization.

130015756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 130015756 is about 11402.4451763646. The cubic root of 130015756 is about 506.6001669033.

Adding to 130015756 its reverse (657510031), we get a palindrome (787525787).

The spelling of 130015756 in words is "one hundred thirty million, fifteen thousand, seven hundred fifty-six".