1319050089 has 20 divisors (see below), whose sum is σ = 2251924224. Its totient is φ = 753742584.

The previous prime is 1319050087. The next prime is 1319050099. The reversal of 1319050089 is 9800509131.

It is a happy number.

It is not a de Polignac number, because 1319050089 - 2¹ = 1319050087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1319050087) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1162617 + ... + 1163750.

Almost surely, 2^1319050089 is an apocalyptic number.

It is an amenable number.

1319050089 is a deficient number, since it is larger than the sum of its proper divisors (932874135).

1319050089 is an equidigital number, since it uses as much as digits as its factorization.

1319050089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326386 (or 2326377 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1319050089 is about 36318.7291765557. The cubic root of 1319050089 is about 1096.6981120849.

The spelling of 1319050089 in words is "one billion, three hundred nineteen million, fifty thousand, eighty-nine".