13402111400 has 48 divisors (see below), whose sum is σ = 31197882300. Its totient is φ = 5354311680.

The previous prime is 13402111379. The next prime is 13402111423. The reversal of 13402111400 is 411120431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5358532804 + 8043578596 = 73202^2 + 89686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125384 + ... + 206216.

Almost surely, 2^13402111400 is an apocalyptic number.

13402111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13402111400 is an abundant number, since it is smaller than the sum of its proper divisors (17795770900).

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

13402111400 is a wasteful number, since it uses less digits than its factorization.

13402111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81678 (or 81669 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13402111400 its reverse (411120431), we get a palindrome (13813231831).

The spelling of 13402111400 in words is "thirteen billion, four hundred two million, one hundred eleven thousand, four hundred".