129850159 has 4 divisors (see below), whose sum is σ = 132300216. Its totient is φ = 127400104.

The previous prime is 129850141. The next prime is 129850177. The reversal of 129850159 is 951058921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951058921 = 2473 ⋅384577.

It is an interprime number because it is at equal distance from previous prime (129850141) and next prime (129850177).

It is a cyclic number.

It is not a de Polignac number, because 129850159 - 2⁷ = 129850031 is a prime.

It is a super-2 number, since 2×129850159² = 33722127584650562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129850109) 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 3 ways as a sum of consecutive naturals, for example, 1224949 + ... + 1225054.

It is an arithmetic number, because the mean of its divisors is an integer number (33075054).

Almost surely, 2^129850159 is an apocalyptic number.

129850159 is a deficient number, since it is larger than the sum of its proper divisors (2450057).

129850159 is an equidigital number, since it uses as much as digits as its factorization.

129850159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450056.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 129850159 is about 11395.1813939051. The cubic root of 129850159 is about 506.3849952649.

The spelling of 129850159 in words is "one hundred twenty-nine million, eight hundred fifty thousand, one hundred fifty-nine".