159742101139 has 4 divisors (see below), whose sum is σ = 160262434024. Its totient is φ = 159221768256.

The previous prime is 159742101121. The next prime is 159742101151. The reversal of 159742101139 is 931101247951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931101247951 = 7 ⋅133014463993.

It is a cyclic number.

It is not a de Polignac number, because 159742101139 - 2⁵ = 159742101107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159742101095 and 159742101104.

It is not an unprimeable number, because it can be changed into a prime (159742101119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260165982 + ... + 260166595.

It is an arithmetic number, because the mean of its divisors is an integer number (40065608506).

Almost surely, 2^159742101139 is an apocalyptic number.

159742101139 is a deficient number, since it is larger than the sum of its proper divisors (520332885).

159742101139 is an equidigital number, since it uses as much as digits as its factorization.

159742101139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520332884.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 159742101139 in words is "one hundred fifty-nine billion, seven hundred forty-two million, one hundred one thousand, one hundred thirty-nine".