1349878312 has 32 divisors (see below), whose sum is σ = 2620800000. Its totient is φ = 651043008.

The previous prime is 1349878297. The next prime is 1349878331. The reversal of 1349878312 is 2138789431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322489 + ... + 326647.

It is an arithmetic number, because the mean of its divisors is an integer number (81900000).

Almost surely, 2^1349878312 is an apocalyptic number.

It is an amenable number.

1349878312 is a deficient number, since it is larger than the sum of its proper divisors (1270921688).

1349878312 is a wasteful number, since it uses less digits than its factorization.

1349878312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5589 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 1349878312 is about 36740.6901404968. The cubic root of 1349878312 is about 1105.1762410073.

The spelling of 1349878312 in words is "one billion, three hundred forty-nine million, eight hundred seventy-eight thousand, three hundred twelve".