1399533952 has 16 divisors (see below), whose sum is σ = 2788134300. Its totient is φ = 699766912.

The previous prime is 1399533931. The next prime is 1399533979. The reversal of 1399533952 is 2593359931.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1399533896 and 1399533905.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5466802 + ... + 5467057.

Almost surely, 2^1399533952 is an apocalyptic number.

It is an amenable number.

1399533952 is a deficient number, since it is larger than the sum of its proper divisors (1388600348).

1399533952 is an equidigital number, since it uses as much as digits as its factorization.

1399533952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933873 (or 10933861 counting only the distinct ones).

The product of its digits is 984150, while the sum is 49.

The square root of 1399533952 is about 37410.3455209919. The cubic root of 1399533952 is about 1118.5647943178.

The spelling of 1399533952 in words is "one billion, three hundred ninety-nine million, five hundred thirty-three thousand, nine hundred fifty-two".