15303197138 has 8 divisors (see below), whose sum is σ = 23169326832. Its totient is φ = 7580088196.

The previous prime is 15303197111. The next prime is 15303197159. The reversal of 15303197138 is 83179130351.

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 = 15303197095 and 15303197104.

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, 35754920 + ... + 35755347.

It is an arithmetic number, because the mean of its divisors is an integer number (2896165854).

Almost surely, 2^15303197138 is an apocalyptic number.

15303197138 is a deficient number, since it is larger than the sum of its proper divisors (7866129694).

15303197138 is a wasteful number, since it uses less digits than its factorization.

15303197138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71510376.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 15303197138 in words is "fifteen billion, three hundred three million, one hundred ninety-seven thousand, one hundred thirty-eight".