2236139 has 2 divisors, whose sum is σ = 2236140. Its totient is φ = 2236138.

The previous prime is 2236133. The next prime is 2236153. The reversal of 2236139 is 9316322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2236139 - 2¹⁶ = 2170603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2236133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118069 + 1118070.

It is an arithmetic number, because the mean of its divisors is an integer number (1118070).

2^2236139 is an apocalyptic number.

2236139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236139 is an equidigital number, since it uses as much as digits as its factorization.

2236139 is an evil number, because the sum of its binary digits is even.

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

The square root of 2236139 is about 1495.3725288369. The cubic root of 2236139 is about 130.7674330602.

The spelling of 2236139 in words is "two million, two hundred thirty-six thousand, one hundred thirty-nine".