1399112002 has 12 divisors (see below), whose sum is σ = 2229381810. Its totient is φ = 658405376.

The previous prime is 1399111999. The next prime is 1399112009. The reversal of 1399112002 is 2002119931.

It can be written as a sum of positive squares in 3 ways, for example, as 1348431841 + 50680161 = 36721^2 + 7119^2 .

It is not an unprimeable number, because it can be changed into a prime (1399112009) 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, 1209727 + ... + 1210882.

Almost surely, 2^1399112002 is an apocalyptic number.

1399112002 is a deficient number, since it is larger than the sum of its proper divisors (830269808).

1399112002 is a wasteful number, since it uses less digits than its factorization.

1399112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420645 (or 2420628 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1399112002 is about 37404.7056130642. The cubic root of 1399112002 is about 1118.4523697841.

The spelling of 1399112002 in words is "one billion, three hundred ninety-nine million, one hundred twelve thousand, two".