159109507 has 4 divisors (see below), whose sum is σ = 159136456. Its totient is φ = 159082560.

The previous prime is 159109499. The next prime is 159109513. The reversal of 159109507 is 705901951.

It is a happy number.

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 159109507 - 2³ = 159109499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159109567) 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, 369 + ... + 17842.

It is an arithmetic number, because the mean of its divisors is an integer number (39784114).

Almost surely, 2^159109507 is an apocalyptic number.

159109507 is a deficient number, since it is larger than the sum of its proper divisors (26949).

159109507 is an equidigital number, since it uses as much as digits as its factorization.

159109507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26948.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 159109507 is about 12613.8617005261. The cubic root of 159109507 is about 541.8744949347.

The spelling of 159109507 in words is "one hundred fifty-nine million, one hundred nine thousand, five hundred seven".