15013138 has 8 divisors (see below), whose sum is σ = 25736832. Its totient is φ = 6434196.

The previous prime is 15013127. The next prime is 15013139. The reversal of 15013138 is 83131051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15013139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536170 + ... + 536197.

It is an arithmetic number, because the mean of its divisors is an integer number (3217104).

Almost surely, 2^15013138 is an apocalyptic number.

15013138 is a deficient number, since it is larger than the sum of its proper divisors (10723694).

15013138 is a wasteful number, since it uses less digits than its factorization.

15013138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072376.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15013138 is about 3874.6790834855. The cubic root of 15013138 is about 246.6931888534.

Adding to 15013138 its reverse (83131051), we get a palindrome (98144189).

It can be divided in two parts, 15013 and 138, that added together give a palindrome (15151).

The spelling of 15013138 in words is "fifteen million, thirteen thousand, one hundred thirty-eight".