135800347 has 4 divisors (see below), whose sum is σ = 135946216. Its totient is φ = 135654480.

The previous prime is 135800341. The next prime is 135800389. The reversal of 135800347 is 743008531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743008531 = 173 ⋅4294847.

It is a cyclic number.

It is not a de Polignac number, because 135800347 - 2⁷ = 135800219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135800341) 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, 71529 + ... + 73402.

It is an arithmetic number, because the mean of its divisors is an integer number (33986554).

Almost surely, 2^135800347 is an apocalyptic number.

135800347 is a deficient number, since it is larger than the sum of its proper divisors (145869).

135800347 is an equidigital number, since it uses as much as digits as its factorization.

135800347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145868.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 135800347 is about 11653.3405940099. The cubic root of 135800347 is about 514.0045458273.

Adding to 135800347 its reverse (743008531), we get a palindrome (878808878).

The spelling of 135800347 in words is "one hundred thirty-five million, eight hundred thousand, three hundred forty-seven".