1340802099 has 64 divisors (see below), whose sum is σ = 2456473600. Its totient is φ = 703852416.

The previous prime is 1340802079. The next prime is 1340802103. The reversal of 1340802099 is 9902080431.

It is not a de Polignac number, because 1340802099 - 2¹¹ = 1340800051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340802079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 561462 + ... + 563844.

It is an arithmetic number, because the mean of its divisors is an integer number (38382400).

Almost surely, 2^1340802099 is an apocalyptic number.

1340802099 is a deficient number, since it is larger than the sum of its proper divisors (1115671501).

1340802099 is a wasteful number, since it uses less digits than its factorization.

1340802099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1340802099 is about 36616.9646338961. The cubic root of 1340802099 is about 1102.6937009840.

The spelling of 1340802099 in words is "one billion, three hundred forty million, eight hundred two thousand, ninety-nine".