159120493 has 12 divisors (see below), whose sum is σ = 195988572. Its totient is φ = 128365440.

The previous prime is 159120433. The next prime is 159120503. The reversal of 159120493 is 394021951.

It can be written as a sum of positive squares in 2 ways, for example, as 87853129 + 71267364 = 9373^2 + 8442^2 .

It is a de Polignac number, because none of the positive numbers 2^k-159120493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159120413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94678 + ... + 96343.

It is an arithmetic number, because the mean of its divisors is an integer number (16332381).

Almost surely, 2^159120493 is an apocalyptic number.

It is an amenable number.

159120493 is a deficient number, since it is larger than the sum of its proper divisors (36868079).

159120493 is a wasteful number, since it uses less digits than its factorization.

159120493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191052 (or 191045 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 159120493 is about 12614.2971663109. The cubic root of 159120493 is about 541.8869662117.

The spelling of 159120493 in words is "one hundred fifty-nine million, one hundred twenty thousand, four hundred ninety-three".