1135622639 has 2 divisors, whose sum is σ = 1135622640. Its totient is φ = 1135622638.

The previous prime is 1135622623. The next prime is 1135622641. The reversal of 1135622639 is 9362265311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1135622639 - 2⁴ = 1135622623 is a prime.

Together with 1135622641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135622669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567811319 + 567811320.

It is an arithmetic number, because the mean of its divisors is an integer number (567811320).

Almost surely, 2^1135622639 is an apocalyptic number.

1135622639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135622639 is an equidigital number, since it uses as much as digits as its factorization.

1135622639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 1135622639 is about 33699.0005638149. Note that the first 3 decimals coincide. The cubic root of 1135622639 is about 1043.3051405811.

Subtracting from 1135622639 its sum of digits (38), we obtain a square (1135622601 = 33699²).

The spelling of 1135622639 in words is "one billion, one hundred thirty-five million, six hundred twenty-two thousand, six hundred thirty-nine".