15382138 has 8 divisors (see below), whose sum is σ = 23817600. Its totient is φ = 7442940.

The previous prime is 15382109. The next prime is 15382181. The reversal of 15382138 is 83128351.

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

It is a super-2 number, since 2×15382138² = 473220338902088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123988 + ... + 124111.

It is an arithmetic number, because the mean of its divisors is an integer number (2977200).

Almost surely, 2^15382138 is an apocalyptic number.

15382138 is a deficient number, since it is larger than the sum of its proper divisors (8435462).

15382138 is a wasteful number, since it uses less digits than its factorization.

15382138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248132.

The product of its digits is 5760, while the sum is 31.

The square root of 15382138 is about 3922.0068842367. The cubic root of 15382138 is about 248.6979666086.

The spelling of 15382138 in words is "fifteen million, three hundred eighty-two thousand, one hundred thirty-eight".