1400893081652 has 12 divisors (see below), whose sum is σ = 2536099544580. Its totient is φ = 676293211776.

The previous prime is 1400893081639. The next prime is 1400893081667. The reversal of 1400893081652 is 2561803980041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 281182030756 + 1119711050896 = 530266^2 + 1058164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1400893081597 and 1400893081606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6038332133 + ... + 6038332364.

It is an arithmetic number, because the mean of its divisors is an integer number (211341628715).

Almost surely, 2^{1400893081652} is an apocalyptic number.

It is an amenable number.

1400893081652 is a deficient number, since it is larger than the sum of its proper divisors (1135206462928).

1400893081652 is a wasteful number, since it uses less digits than its factorization.

1400893081652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076664530 (or 12076664528 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1400893081652 in words is "one trillion, four hundred billion, eight hundred ninety-three million, eighty-one thousand, six hundred fifty-two".