1349866899 has 6 divisors (see below), whose sum is σ = 1949807756. Its totient is φ = 899911260.

The previous prime is 1349866877. The next prime is 1349866933. The reversal of 1349866899 is 9986689431.

It is a happy number.

1349866899 is a `hidden beast` number, since 1 + 3 + 498 + 66 + 89 + 9 = 666.

It is not a de Polignac number, because 1349866899 - 2⁵ = 1349866867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349866829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74992597 + ... + 74992614.

Almost surely, 2^1349866899 is an apocalyptic number.

1349866899 is a deficient number, since it is larger than the sum of its proper divisors (599940857).

1349866899 is a wasteful number, since it uses less digits than its factorization.

1349866899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149985217 (or 149985214 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 1349866899 is about 36740.5348219103. The cubic root of 1349866899 is about 1105.1731263038.

The spelling of 1349866899 in words is "one billion, three hundred forty-nine million, eight hundred sixty-six thousand, eight hundred ninety-nine".