1136939 has 2 divisors, whose sum is σ = 1136940. Its totient is φ = 1136938.

The previous prime is 1136921. The next prime is 1136951. The reversal of 1136939 is 9396311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9396311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1136939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568469 + 568470.

It is an arithmetic number, because the mean of its divisors is an integer number (568470).

2^1136939 is an apocalyptic number.

1136939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136939 is an equidigital number, since it uses as much as digits as its factorization.

1136939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 32.

The square root of 1136939 is about 1066.2734170934. The cubic root of 1136939 is about 104.3708101872.

The spelling of 1136939 in words is "one million, one hundred thirty-six thousand, nine hundred thirty-nine".