130331736 has 48 divisors (see below), whose sum is σ = 356241600. Its totient is φ = 43042752.

The previous prime is 130331711. The next prime is 130331737. The reversal of 130331736 is 637133031.

It is a super-2 number, since 2×130331736² = 33972722817547392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331737) 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 11 ways as a sum of consecutive naturals, for example, 456 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (7421700).

Almost surely, 2^130331736 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 130331736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178120800).

130331736 is an abundant number, since it is smaller than the sum of its proper divisors (225909864).

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

130331736 is a wasteful number, since it uses less digits than its factorization.

130331736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16721 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 130331736 is about 11416.2925680801. The cubic root of 130331736 is about 507.0102351960.

Adding to 130331736 its reverse (637133031), we get a palindrome (767464767).

The spelling of 130331736 in words is "one hundred thirty million, three hundred thirty-one thousand, seven hundred thirty-six".