159107198240742 has 8 divisors (see below), whose sum is σ = 318214396481496. Its totient is φ = 53035732746912.

The previous prime is 159107198240671. The next prime is 159107198240773. The reversal of 159107198240742 is 247042891701951.

It is a happy number.

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

159107198240742 is an admirable number.

It is a congruent number.

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, 13258933186723 + ... + 13258933186734.

It is an arithmetic number, because the mean of its divisors is an integer number (39776799560187).

Almost surely, 2^{159107198240742} is an apocalyptic number.

159107198240742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159107198240742 is a wasteful number, since it uses less digits than its factorization.

159107198240742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26517866373462.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 159107198240742 in words is "one hundred fifty-nine trillion, one hundred seven billion, one hundred ninety-eight million, two hundred forty thousand, seven hundred forty-two".