130133236 has 6 divisors (see below), whose sum is σ = 227733170. Its totient is φ = 65066616.

The previous prime is 130133233. The next prime is 130133239. The reversal of 130133236 is 632331031.

It is an interprime number because it is at equal distance from previous prime (130133233) and next prime (130133239).

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 9572836 = 10980^2 + 3094^2 .

It is a super-2 number, since 2×130133236² = 33869318223663392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130133233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16266651 + ... + 16266658.

Almost surely, 2^130133236 is an apocalyptic number.

It is an amenable number.

130133236 is a deficient number, since it is larger than the sum of its proper divisors (97599934).

130133236 is a wasteful number, since it uses less digits than its factorization.

130133236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32533313 (or 32533311 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 130133236 is about 11407.5955398147. The cubic root of 130133236 is about 506.7527060333.

Adding to 130133236 its reverse (632331031), we get a palindrome (762464267).

The spelling of 130133236 in words is "one hundred thirty million, one hundred thirty-three thousand, two hundred thirty-six".