135478743 has 8 divisors (see below), whose sum is σ = 183599856. Its totient is φ = 88838400.

The previous prime is 135478741. The next prime is 135478747. The reversal of 135478743 is 347874531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135478743 - 2¹ = 135478741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135478695 and 135478704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135478741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369978 + ... + 370343.

It is an arithmetic number, because the mean of its divisors is an integer number (22949982).

Almost surely, 2^135478743 is an apocalyptic number.

135478743 is a deficient number, since it is larger than the sum of its proper divisors (48121113).

135478743 is an equidigital number, since it uses as much as digits as its factorization.

135478743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740385.

The product of its digits is 282240, while the sum is 42.

The square root of 135478743 is about 11639.5336246776. The cubic root of 135478743 is about 513.5984678687.

The spelling of 135478743 in words is "one hundred thirty-five million, four hundred seventy-eight thousand, seven hundred forty-three".