130618236 has 96 divisors (see below), whose sum is σ = 369295360. Its totient is φ = 35100864.

The previous prime is 130618231. The next prime is 130618247. The reversal of 130618236 is 632816031.

It is a super-2 number, since 2×130618236² = 34122247151503392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130618231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355725 + ... + 356091.

Almost surely, 2^130618236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130618236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184647680).

130618236 is an abundant number, since it is smaller than the sum of its proper divisors (238677124).

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

130618236 is a wasteful number, since it uses less digits than its factorization.

130618236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 130618236 is about 11428.8335362801. The cubic root of 130618236 is about 507.3814728013.

The spelling of 130618236 in words is "one hundred thirty million, six hundred eighteen thousand, two hundred thirty-six".