13440034100 has 18 divisors (see below), whose sum is σ = 29164874214. Its totient is φ = 5376013600.

The previous prime is 13440034087. The next prime is 13440034117. The reversal of 13440034100 is 143004431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1183772836 + 12256261264 = 34406^2 + 110708^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 67200071 + ... + 67200270.

Almost surely, 2^13440034100 is an apocalyptic number.

13440034100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440034100 is an abundant number, since it is smaller than the sum of its proper divisors (15724840114).

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

13440034100 is a wasteful number, since it uses less digits than its factorization.

13440034100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134400355 (or 134400348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13440034100 its reverse (143004431), we get a palindrome (13583038531).

The spelling of 13440034100 in words is "thirteen billion, four hundred forty million, thirty-four thousand, one hundred".