15138794 has 24 divisors (see below), whose sum is σ = 25510464. Its totient is φ = 6734860.

The previous prime is 15138793. The next prime is 15138821. The reversal of 15138794 is 49783151.

Its product of digits (30240) is a multiple of the sum of its prime divisors (60).

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (15138793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322079 + ... + 322125.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^15138794 is an apocalyptic number.

15138794 is a deficient number, since it is larger than the sum of its proper divisors (10371670).

15138794 is an frugal number, since it uses more digits than its factorization.

15138794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 60 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 15138794 is about 3890.8603161769. The cubic root of 15138794 is about 247.3795298483.

The spelling of 15138794 in words is "fifteen million, one hundred thirty-eight thousand, seven hundred ninety-four".