2151000239 has 8 divisors (see below), whose sum is σ = 2195424960. Its totient is φ = 2106871200.

The previous prime is 2151000211. The next prime is 2151000253. The reversal of 2151000239 is 9320001512.

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 2151000239 - 2²⁰ = 2149951663 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 (2151005239) 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, 59192 + ... + 88349.

It is an arithmetic number, because the mean of its divisors is an integer number (274428120).

Almost surely, 2^2151000239 is an apocalyptic number.

2151000239 is a deficient number, since it is larger than the sum of its proper divisors (44424721).

2151000239 is a wasteful number, since it uses less digits than its factorization.

2151000239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147841.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2151000239 is about 46378.8770778250. The cubic root of 2151000239 is about 1290.8630002403.

The spelling of 2151000239 in words is "two billion, one hundred fifty-one million, two hundred thirty-nine", and thus it is an aban number.