159994313 has 2 divisors, whose sum is σ = 159994314. Its totient is φ = 159994312.

The previous prime is 159994291. The next prime is 159994349. The reversal of 159994313 is 313499951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 57032704 = 10147^2 + 7552^2 .

It is a cyclic number.

It is not a de Polignac number, because 159994313 - 2¹⁶ = 159928777 is a prime.

It is not a weakly prime, because it can be changed into another prime (159999313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79997156 + 79997157.

It is an arithmetic number, because the mean of its divisors is an integer number (79997157).

Almost surely, 2^159994313 is an apocalyptic number.

It is an amenable number.

159994313 is a deficient number, since it is larger than the sum of its proper divisors (1).

159994313 is an equidigital number, since it uses as much as digits as its factorization.

159994313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 44.

The square root of 159994313 is about 12648.8858402628. The cubic root of 159994313 is about 542.8770912040.

The spelling of 159994313 in words is "one hundred fifty-nine million, nine hundred ninety-four thousand, three hundred thirteen".