130204536 has 64 divisors (see below), whose sum is σ = 405838080. Its totient is φ = 33818880.

The previous prime is 130204499. The next prime is 130204537. The reversal of 130204536 is 635402031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130204537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33381 + ... + 37076.

It is an arithmetic number, because the mean of its divisors is an integer number (6341220).

Almost surely, 2^130204536 is an apocalyptic number.

It is an amenable number.

130204536 is an abundant number, since it is smaller than the sum of its proper divisors (275633544).

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

130204536 is a wasteful number, since it uses less digits than its factorization.

130204536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70484 (or 70480 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 130204536 is about 11410.7202226678. The cubic root of 130204536 is about 506.8452390716.

Adding to 130204536 its reverse (635402031), we get a palindrome (765606567).

The spelling of 130204536 in words is "one hundred thirty million, two hundred four thousand, five hundred thirty-six".