135793453 has 4 divisors (see below), whose sum is σ = 136135900. Its totient is φ = 135451008.

The previous prime is 135793417. The next prime is 135793459. The reversal of 135793453 is 354397531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30669444 + 105124009 = 5538^2 + 10253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135793453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135793459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170628 + ... + 171421.

It is an arithmetic number, because the mean of its divisors is an integer number (34033975).

Almost surely, 2^135793453 is an apocalyptic number.

It is an amenable number.

135793453 is a deficient number, since it is larger than the sum of its proper divisors (342447).

135793453 is an equidigital number, since it uses as much as digits as its factorization.

135793453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342446.

The product of its digits is 170100, while the sum is 40.

The square root of 135793453 is about 11653.0447952456. The cubic root of 135793453 is about 513.9958477461.

The spelling of 135793453 in words is "one hundred thirty-five million, seven hundred ninety-three thousand, four hundred fifty-three".