15139115242 has 8 divisors (see below), whose sum is σ = 22716817632. Its totient is φ = 7566842700.

The previous prime is 15139115239. The next prime is 15139115357. The reversal of 15139115242 is 24251193151.

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

It is a junction number, because it is equal to n+sod(n) for n = 15139115198 and 15139115207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350484 + ... + 1361647.

It is an arithmetic number, because the mean of its divisors is an integer number (2839602204).

Almost surely, 2^15139115242 is an apocalyptic number.

15139115242 is a deficient number, since it is larger than the sum of its proper divisors (7577702390).

15139115242 is a wasteful number, since it uses less digits than its factorization.

15139115242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714924.

The product of its digits is 10800, while the sum is 34.

The spelling of 15139115242 in words is "fifteen billion, one hundred thirty-nine million, one hundred fifteen thousand, two hundred forty-two".