1090519139 has 2 divisors, whose sum is σ = 1090519140. Its totient is φ = 1090519138.

The previous prime is 1090519121. The next prime is 1090519141. The reversal of 1090519139 is 9319150901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1090519139 - 2⁸ = 1090518883 is a prime.

Together with 1090519141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1090519109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545259569 + 545259570.

It is an arithmetic number, because the mean of its divisors is an integer number (545259570).

Almost surely, 2^1090519139 is an apocalyptic number.

1090519139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090519139 is an equidigital number, since it uses as much as digits as its factorization.

1090519139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 1090519139 is about 33023.0092359857. The cubic root of 1090519139 is about 1029.3058253464.

The spelling of 1090519139 in words is "one billion, ninety million, five hundred nineteen thousand, one hundred thirty-nine".