159379399 has 4 divisors (see below), whose sum is σ = 161758264. Its totient is φ = 157000536.

The previous prime is 159379379. The next prime is 159379411. The reversal of 159379399 is 993973951.

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 159379399 - 2⁷ = 159379271 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 (159379349) 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, 1189332 + ... + 1189465.

It is an arithmetic number, because the mean of its divisors is an integer number (40439566).

Almost surely, 2^159379399 is an apocalyptic number.

159379399 is a deficient number, since it is larger than the sum of its proper divisors (2378865).

159379399 is an equidigital number, since it uses as much as digits as its factorization.

159379399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378864.

The product of its digits is 2066715, while the sum is 55.

The square root of 159379399 is about 12624.5553981120. Note that the first 3 decimals coincide. The cubic root of 159379399 is about 542.1807095668.

The spelling of 159379399 in words is "one hundred fifty-nine million, three hundred seventy-nine thousand, three hundred ninety-nine".