135403400 has 48 divisors (see below), whose sum is σ = 343437840. Its totient is φ = 49236800.

The previous prime is 135403399. The next prime is 135403403. The reversal of 135403400 is 4304531.

135403400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (135403403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28574 + ... + 32973.

It is an arithmetic number, because the mean of its divisors is an integer number (7154955).

Almost surely, 2^135403400 is an apocalyptic number.

135403400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135403400 is an abundant number, since it is smaller than the sum of its proper divisors (208034440).

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

135403400 is a wasteful number, since it uses less digits than its factorization.

135403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61574 (or 61565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 135403400 is about 11636.2966617391. The cubic root of 135403400 is about 513.5032420446.

Adding to 135403400 its reverse (4304531), we get a palindrome (139707931).

The spelling of 135403400 in words is "one hundred thirty-five million, four hundred three thousand, four hundred".