1399201352 has 16 divisors (see below), whose sum is σ = 2624330940. Its totient is φ = 699379776.

The previous prime is 1399201339. The next prime is 1399201357. The reversal of 1399201352 is 2531029931.

It can be written as a sum of positive squares in 2 ways, for example, as 880546276 + 518655076 = 29674^2 + 22774^2 .

It is not an unprimeable number, because it can be changed into a prime (1399201357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058 + ... + 52910.

Almost surely, 2^1399201352 is an apocalyptic number.

It is an amenable number.

1399201352 is a deficient number, since it is larger than the sum of its proper divisors (1225129588).

1399201352 is a wasteful number, since it uses less digits than its factorization.

1399201352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55232 (or 55228 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1399201352 is about 37405.8999624391. The cubic root of 1399201352 is about 1118.4761781216.

The spelling of 1399201352 in words is "one billion, three hundred ninety-nine million, two hundred one thousand, three hundred fifty-two".