130520654 has 16 divisors (see below), whose sum is σ = 216155520. Its totient is φ = 58611960.

The previous prime is 130520651. The next prime is 130520669. The reversal of 130520654 is 456025031.

It is a super-2 number, since 2×130520654² = 34071282241175432, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130520651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33914 + ... + 37565.

It is an arithmetic number, because the mean of its divisors is an integer number (13509720).

Almost surely, 2^130520654 is an apocalyptic number.

130520654 is a deficient number, since it is larger than the sum of its proper divisors (85634866).

130520654 is a wasteful number, since it uses less digits than its factorization.

130520654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71575.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 130520654 is about 11424.5636240515. The cubic root of 130520654 is about 507.2550901585.

Adding to 130520654 its reverse (456025031), we get a palindrome (586545685).

The spelling of 130520654 in words is "one hundred thirty million, five hundred twenty thousand, six hundred fifty-four".