1139955119 has 2 divisors, whose sum is σ = 1139955120. Its totient is φ = 1139955118.

The previous prime is 1139955101. The next prime is 1139955121. The reversal of 1139955119 is 9115599311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139955119 is a prime.

It is a super-2 number, since 2×1139955119² = 2598995346668608322, which contains 22 as substring.

Together with 1139955121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1139955119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139955149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569977559 + 569977560.

It is an arithmetic number, because the mean of its divisors is an integer number (569977560).

Almost surely, 2^1139955119 is an apocalyptic number.

1139955119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139955119 is an equidigital number, since it uses as much as digits as its factorization.

1139955119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54675, while the sum is 44.

The square root of 1139955119 is about 33763.2213954771. The cubic root of 1139955119 is about 1044.6302176763.

The spelling of 1139955119 in words is "one billion, one hundred thirty-nine million, nine hundred fifty-five thousand, one hundred nineteen".