104135400 has 72 divisors (see below), whose sum is σ = 349727430. Its totient is φ = 27768960.

The previous prime is 104135393. The next prime is 104135401. The reversal of 104135400 is 4531401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 55442916 + 48692484 = 7446^2 + 6978^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104135401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27127 + ... + 30726.

Almost surely, 2^104135400 is an apocalyptic number.

104135400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104135400 is an abundant number, since it is smaller than the sum of its proper divisors (245592030).

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

104135400 is a wasteful number, since it uses less digits than its factorization.

104135400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57875 (or 57863 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 104135400 is about 10204.6753990512. The cubic root of 104135400 is about 470.4709328338.

Adding to 104135400 its reverse (4531401), we get a palindrome (108666801).

The spelling of 104135400 in words is "one hundred four million, one hundred thirty-five thousand, four hundred".