1400813308 has 12 divisors (see below), whose sum is σ = 2457826560. Its totient is φ = 698577152.

The previous prime is 1400813299. The next prime is 1400813329. The reversal of 1400813308 is 8033180041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455653 + ... + 458716.

It is an arithmetic number, because the mean of its divisors is an integer number (204818880).

Almost surely, 2^1400813308 is an apocalyptic number.

It is an amenable number.

1400813308 is a deficient number, since it is larger than the sum of its proper divisors (1057013252).

1400813308 is a wasteful number, since it uses less digits than its factorization.

1400813308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914756 (or 914754 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1400813308 is about 37427.4405750647. The cubic root of 1400813308 is about 1118.9055283998.

Adding to 1400813308 its reverse (8033180041), we get a palindrome (9433993349).

The spelling of 1400813308 in words is "one billion, four hundred million, eight hundred thirteen thousand, three hundred eight".