1400123675636 has 18 divisors (see below), whose sum is σ = 2850251768658. Its totient is φ = 600053003760.

The previous prime is 1400123675627. The next prime is 1400123675669. The reversal of 1400123675636 is 6365763210041.

It can be written as a sum of positive squares in only one way, i.e., 1235810188900 + 164313486736 = 1111670^2 + 405356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3571743875 + ... + 3571744266.

It is an arithmetic number, because the mean of its divisors is an integer number (158347320481).

Almost surely, 2^{1400123675636} is an apocalyptic number.

It is an amenable number.

1400123675636 is an abundant number, since it is smaller than the sum of its proper divisors (1450128093022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400123675636 is a wasteful number, since it uses less digits than its factorization.

1400123675636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143488159 (or 7143488150 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

Adding to 1400123675636 its reverse (6365763210041), we get a palindrome (7765886885677).

The spelling of 1400123675636 in words is "one trillion, four hundred billion, one hundred twenty-three million, six hundred seventy-five thousand, six hundred thirty-six".