15131480 has 64 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 4787712.

The previous prime is 15131471. The next prime is 15131497. The reversal of 15131480 is 8413151.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1562 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (654885).

Almost surely, 2^15131480 is an apocalyptic number.

15131480 is a gapful number since it is divisible by the number (10) 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 15131480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20956320).

15131480 is an abundant number, since it is smaller than the sum of its proper divisors (26781160).

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

15131480 is a wasteful number, since it uses less digits than its factorization.

15131480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 15131480 is about 3889.9203076670. The cubic root of 15131480 is about 247.3396846369.

The spelling of 15131480 in words is "fifteen million, one hundred thirty-one thousand, four hundred eighty".