15139012765 has 8 divisors (see below), whose sum is σ = 18168161760. Its totient is φ = 12110312592.

The previous prime is 15139012751. The next prime is 15139012817. The reversal of 15139012765 is 56721093151.

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 15139012765 - 2²¹ = 15136915613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32899 + ... + 177088.

It is an arithmetic number, because the mean of its divisors is an integer number (2271020220).

Almost surely, 2^15139012765 is an apocalyptic number.

It is an amenable number.

15139012765 is a deficient number, since it is larger than the sum of its proper divisors (3029148995).

15139012765 is a wasteful number, since it uses less digits than its factorization.

15139012765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224411.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 15139012765 in words is "fifteen billion, one hundred thirty-nine million, twelve thousand, seven hundred sixty-five".