15138007 has 8 divisors (see below), whose sum is σ = 16076016. Its totient is φ = 14205312.

The previous prime is 15138001. The next prime is 15138023. The reversal of 15138007 is 70083151.

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

It is a cyclic number.

It is not a de Polignac number, because 15138007 - 2³ = 15137999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15138001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (2009502).

Almost surely, 2^15138007 is an apocalyptic number.

15138007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

15138007 is a deficient number, since it is larger than the sum of its proper divisors (938009).

15138007 is a wasteful number, since it uses less digits than its factorization.

15138007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 15138007 is about 3890.7591804171. The cubic root of 15138007 is about 247.3752430457.

The spelling of 15138007 in words is "fifteen million, one hundred thirty-eight thousand, seven".