130161136 has 40 divisors (see below), whose sum is σ = 289981440. Its totient is φ = 55441344.

The previous prime is 130161133. The next prime is 130161149. The reversal of 130161136 is 631161031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130161131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15225 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (7249536).

Almost surely, 2^130161136 is an apocalyptic number.

130161136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130161136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144990720).

130161136 is an abundant number, since it is smaller than the sum of its proper divisors (159820304).

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

130161136 is a wasteful number, since it uses less digits than its factorization.

130161136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 7135 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 130161136 is about 11408.8183437199. The cubic root of 130161136 is about 506.7889186377.

The spelling of 130161136 in words is "one hundred thirty million, one hundred sixty-one thousand, one hundred thirty-six".