1400137706752 has 72 divisors (see below), whose sum is σ = 2804983844936. Its totient is φ = 697522323456.

The previous prime is 1400137706743. The next prime is 1400137706753. The reversal of 1400137706752 is 2576077310041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 250576331776 + 1149561374976 = 500576^2 + 1072176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1400137706699 and 1400137706708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400137706753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153300778 + ... + 153309910.

Almost surely, 2^{1400137706752} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400137706752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402491922468).

1400137706752 is an abundant number, since it is smaller than the sum of its proper divisors (1404846138184).

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

1400137706752 is an equidigital number, since it uses as much as digits as its factorization.

1400137706752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263 (or 11249 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 1400137706752 in words is "one trillion, four hundred billion, one hundred thirty-seven million, seven hundred six thousand, seven hundred fifty-two".