1400360636605 has 16 divisors (see below), whose sum is σ = 1920514489344. Its totient is φ = 960237342720.

The previous prime is 1400360636603. The next prime is 1400360636629. The reversal of 1400360636605 is 5066360630041.

It is not a de Polignac number, because 1400360636605 - 2¹ = 1400360636603 is a prime.

It is a super-2 number, since 2×1400360636605² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400360636603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5218260 + ... + 5480050.

It is an arithmetic number, because the mean of its divisors is an integer number (120032155584).

Almost surely, 2^{1400360636605} is an apocalyptic number.

It is an amenable number.

1400360636605 is a deficient number, since it is larger than the sum of its proper divisors (520153852739).

1400360636605 is a wasteful number, since it uses less digits than its factorization.

1400360636605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414636.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 1400360636605 in words is "one trillion, four hundred billion, three hundred sixty million, six hundred thirty-six thousand, six hundred five".