2136239 has 8 divisors (see below), whose sum is σ = 2472960. Its totient is φ = 1807416.

The previous prime is 2136221. The next prime is 2136247. The reversal of 2136239 is 9326312.

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 2136239 - 2²⁰ = 1087663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136209) 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, 1379 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (309120).

2^2136239 is an apocalyptic number.

2136239 is a deficient number, since it is larger than the sum of its proper divisors (336721).

2136239 is an equidigital number, since it uses as much as digits as its factorization.

2136239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its digits is 1944, while the sum is 26.

The square root of 2136239 is about 1461.5878351984. The cubic root of 2136239 is about 128.7903370643.

The spelling of 2136239 in words is "two million, one hundred thirty-six thousand, two hundred thirty-nine".