1380202899 has 4 divisors (see below), whose sum is σ = 1840270536. Its totient is φ = 920135264.

The previous prime is 1380202877. The next prime is 1380202909. The reversal of 1380202899 is 9982020831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1380202899 - 2⁸ = 1380202643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1380202899.

It is not an unprimeable number, because it can be changed into a prime (1380202849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230033814 + ... + 230033819.

It is an arithmetic number, because the mean of its divisors is an integer number (460067634).

Almost surely, 2^1380202899 is an apocalyptic number.

1380202899 is a deficient number, since it is larger than the sum of its proper divisors (460067637).

1380202899 is an equidigital number, since it uses as much as digits as its factorization.

1380202899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460067636.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1380202899 is about 37151.0820703785. The cubic root of 1380202899 is about 1113.3908428128.

The spelling of 1380202899 in words is "one billion, three hundred eighty million, two hundred two thousand, eight hundred ninety-nine".