130615744 has 56 divisors (see below), whose sum is σ = 301861728. Its totient is φ = 54912000.

The previous prime is 130615721. The next prime is 130615753. The reversal of 130615744 is 447516031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20994 + ... + 26494.

It is an arithmetic number, because the mean of its divisors is an integer number (5390388).

Almost surely, 2^130615744 is an apocalyptic number.

130615744 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 130615744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150930864).

130615744 is an abundant number, since it is smaller than the sum of its proper divisors (171245984).

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

130615744 is an equidigital number, since it uses as much as digits as its factorization.

130615744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 130615744 is about 11428.7245132604. The cubic root of 130615744 is about 507.3782460883.

The spelling of 130615744 in words is "one hundred thirty million, six hundred fifteen thousand, seven hundred forty-four".