2355139 has 2 divisors, whose sum is σ = 2355140. Its totient is φ = 2355138.

The previous prime is 2355137. The next prime is 2355151. The reversal of 2355139 is 9315532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2355139 - 2¹ = 2355137 is a prime.

Together with 2355137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2355137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177569 + 1177570.

It is an arithmetic number, because the mean of its divisors is an integer number (1177570).

2^2355139 is an apocalyptic number.

2355139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355139 is an equidigital number, since it uses as much as digits as its factorization.

2355139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

The square root of 2355139 is about 1534.6462133013. The cubic root of 2355139 is about 133.0471312412.

The spelling of 2355139 in words is "two million, three hundred fifty-five thousand, one hundred thirty-nine".