1935139 has 2 divisors, whose sum is σ = 1935140. Its totient is φ = 1935138.

The previous prime is 1935133. The next prime is 1935149. The reversal of 1935139 is 9315391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1935139 - 2⁹ = 1934627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1935139.

It is not a weakly prime, because it can be changed into another prime (1935133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967569 + 967570.

It is an arithmetic number, because the mean of its divisors is an integer number (967570).

2^1935139 is an apocalyptic number.

1935139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1935139 is an equidigital number, since it uses as much as digits as its factorization.

1935139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 31.

The square root of 1935139 is about 1391.0927359454. The cubic root of 1935139 is about 124.6151147900.

The spelling of 1935139 in words is "one million, nine hundred thirty-five thousand, one hundred thirty-nine".