1139519023 has 2 divisors, whose sum is σ = 1139519024. Its totient is φ = 1139519022.

The previous prime is 1139519021. The next prime is 1139519047. The reversal of 1139519023 is 3209159311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1139519023 - 2¹ = 1139519021 is a prime.

It is a super-4 number, since 4×1139519023⁴ (a number of 37 digits) contains 4444 as substring.

Together with 1139519021, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1139519023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139519021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569759511 + 569759512.

It is an arithmetic number, because the mean of its divisors is an integer number (569759512).

Almost surely, 2^1139519023 is an apocalyptic number.

1139519023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139519023 is an equidigital number, since it uses as much as digits as its factorization.

1139519023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1139519023 is about 33756.7626261761. The cubic root of 1139519023 is about 1044.4969910383.

The spelling of 1139519023 in words is "one billion, one hundred thirty-nine million, five hundred nineteen thousand, twenty-three".