813420159 has 8 divisors (see below), whose sum is σ = 1121958960. Its totient is φ = 523580736.

The previous prime is 813420151. The next prime is 813420187. The reversal of 813420159 is 951024318.

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

It is not a de Polignac number, because 813420159 - 2³ = 813420151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813420151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674742 + ... + 4674915.

It is an arithmetic number, because the mean of its divisors is an integer number (140244870).

Almost surely, 2^813420159 is an apocalyptic number.

813420159 is a deficient number, since it is larger than the sum of its proper divisors (308538801).

813420159 is a wasteful number, since it uses less digits than its factorization.

813420159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349689.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 813420159 is about 28520.5217168270. The cubic root of 813420159 is about 933.4799131038.

The spelling of 813420159 in words is "eight hundred thirteen million, four hundred twenty thousand, one hundred fifty-nine".