15140873 has 4 divisors (see below), whose sum is σ = 16517328. Its totient is φ = 13764420.

The previous prime is 15140869. The next prime is 15140887. The reversal of 15140873 is 37804151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15140873 - 2² = 15140869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15140833) 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, 688211 + ... + 688232.

It is an arithmetic number, because the mean of its divisors is an integer number (4129332).

Almost surely, 2^15140873 is an apocalyptic number.

It is an amenable number.

15140873 is a deficient number, since it is larger than the sum of its proper divisors (1376455).

15140873 is a wasteful number, since it uses less digits than its factorization.

15140873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376454.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 15140873 is about 3891.1274715691. The cubic root of 15140873 is about 247.3908534826.

Subtracting 15140873 from its reverse (37804151), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 15140873 in words is "fifteen million, one hundred forty thousand, eight hundred seventy-three".