130740624 has 120 divisors (see below), whose sum is σ = 426857600. Its totient is φ = 37340352.

The previous prime is 130740619. The next prime is 130740641. The reversal of 130740624 is 426047031.

130740624 is a `hidden beast` number, since 1 + 30 + 7 + 4 + 0 + 624 = 666.

It is a super-2 number, since 2×130740624² = 34186221527818752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48069 + ... + 50715.

Almost surely, 2^130740624 is an apocalyptic number.

130740624 is a gapful number since it is divisible by the number (14) 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 130740624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213428800).

130740624 is an abundant number, since it is smaller than the sum of its proper divisors (296116976).

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

130740624 is a wasteful number, since it uses less digits than its factorization.

130740624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 130740624 is about 11434.1866348245. The cubic root of 130740624 is about 507.5398938120.

Adding to 130740624 its reverse (426047031), we get a palindrome (556787655).

The spelling of 130740624 in words is "one hundred thirty million, seven hundred forty thousand, six hundred twenty-four".