1139519 has 2 divisors, whose sum is σ = 1139520. Its totient is φ = 1139518.

The previous prime is 1139503. The next prime is 1139521. The reversal of 1139519 is 9159311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139519 - 2⁴ = 1139503 is a prime.

It is a super-4 number, since 4×1139519⁴ (a number of 25 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 1139521, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1139491 and 1139500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569759 + 569760.

It is an arithmetic number, because the mean of its divisors is an integer number (569760).

2^1139519 is an apocalyptic number.

1139519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139519 is an equidigital number, since it uses as much as digits as its factorization.

1139519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215, while the sum is 29.

The square root of 1139519 is about 1067.4825525506. The cubic root of 1139519 is about 104.4496984011.

The spelling of 1139519 in words is "one million, one hundred thirty-nine thousand, five hundred nineteen".