130523657 has 8 divisors (see below), whose sum is σ = 142899552. Its totient is φ = 118232800.

The previous prime is 130523647. The next prime is 130523663. The reversal of 130523657 is 756325031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130523657 - 2⁶ = 130523593 is a prime.

It is a super-5 number, since 5×130523657⁵ (a number of 42 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130523647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18023 + ... + 24204.

It is an arithmetic number, because the mean of its divisors is an integer number (17862444).

Almost surely, 2^130523657 is an apocalyptic number.

It is an amenable number.

130523657 is a deficient number, since it is larger than the sum of its proper divisors (12375895).

130523657 is a wasteful number, since it uses less digits than its factorization.

130523657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42519.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 130523657 is about 11424.6950506348. The cubic root of 130523657 is about 507.2589804121.

Adding to 130523657 its reverse (756325031), we get a palindrome (886848688).

The spelling of 130523657 in words is "one hundred thirty million, five hundred twenty-three thousand, six hundred fifty-seven".