130213504 has 16 divisors (see below), whose sum is σ = 259409970. Its totient is φ = 65106688.

The previous prime is 130213487. The next prime is 130213507. The reversal of 130213504 is 405312031.

It can be written as a sum of positive squares in only one way, i.e., 128867904 + 1345600 = 11352^2 + 1160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (130213507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508519 + ... + 508774.

Almost surely, 2^130213504 is an apocalyptic number.

It is an amenable number.

130213504 is a deficient number, since it is larger than the sum of its proper divisors (129196466).

130213504 is an equidigital number, since it uses as much as digits as its factorization.

130213504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017307 (or 1017295 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130213504 is about 11411.1131797034. The cubic root of 130213504 is about 506.8568753373.

Adding to 130213504 its reverse (405312031), we get a palindrome (535525535).

The spelling of 130213504 in words is "one hundred thirty million, two hundred thirteen thousand, five hundred four".