15140056 has 8 divisors (see below), whose sum is σ = 28387620. Its totient is φ = 7570024.

The previous prime is 15140023. The next prime is 15140077. The reversal of 15140056 is 65004151.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946246 + ... + 946261.

Almost surely, 2^15140056 is an apocalyptic number.

It is an amenable number.

15140056 is a deficient number, since it is larger than the sum of its proper divisors (13247564).

15140056 is a wasteful number, since it uses less digits than its factorization.

15140056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892513 (or 1892509 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 15140056 is about 3891.0224877274. The cubic root of 15140056 is about 247.3864036739.

The spelling of 15140056 in words is "fifteen million, one hundred forty thousand, fifty-six".