15135380 has 48 divisors (see below), whose sum is σ = 35731584. Its totient is φ = 5343360.

The previous prime is 15135359. The next prime is 15135391. The reversal of 15135380 is 8353151.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 4715 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (744408).

Almost surely, 2^15135380 is an apocalyptic number.

15135380 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 15135380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17865792).

15135380 is an abundant number, since it is smaller than the sum of its proper divisors (20596204).

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

15135380 is a wasteful number, since it uses less digits than its factorization.

15135380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 15135380 is about 3890.4215709869. The cubic root of 15135380 is about 247.3609326555.

The spelling of 15135380 in words is "fifteen million, one hundred thirty-five thousand, three hundred eighty".