159137895947 has 4 divisors (see below), whose sum is σ = 159158168400. Its totient is φ = 159117623496.

The previous prime is 159137895929. The next prime is 159137895997. The reversal of 159137895947 is 749598731951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159137895947 - 2¹² = 159137891851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159137895997) 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, 10124447 + ... + 10140152.

It is an arithmetic number, because the mean of its divisors is an integer number (39789542100).

Almost surely, 2^159137895947 is an apocalyptic number.

159137895947 is a deficient number, since it is larger than the sum of its proper divisors (20272453).

159137895947 is an equidigital number, since it uses as much as digits as its factorization.

159137895947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272452.

The product of its digits is 85730400, while the sum is 68.

The spelling of 159137895947 in words is "one hundred fifty-nine billion, one hundred thirty-seven million, eight hundred ninety-five thousand, nine hundred forty-seven".