159409133 has 8 divisors (see below), whose sum is σ = 172342968. Its totient is φ = 146571264.

The previous prime is 159409109. The next prime is 159409169. The reversal of 159409133 is 331904951.

It can be written as a sum of positive squares in 4 ways, for example, as 13410244 + 145998889 = 3662^2 + 12083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159409133 - 2¹⁴ = 159392749 is a prime.

It is a super-2 number, since 2×159409133² = 50822543367623378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159409093 and 159409102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159409633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20516 + ... + 27197.

It is an arithmetic number, because the mean of its divisors is an integer number (21542871).

Almost surely, 2^159409133 is an apocalyptic number.

159409133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

159409133 is a deficient number, since it is larger than the sum of its proper divisors (12933835).

159409133 is a wasteful number, since it uses less digits than its factorization.

159409133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47983.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 159409133 is about 12625.7329688220. The cubic root of 159409133 is about 542.2144240847.

The spelling of 159409133 in words is "one hundred fifty-nine million, four hundred nine thousand, one hundred thirty-three".