135357263 has 4 divisors (see below), whose sum is σ = 135594888. Its totient is φ = 135119640.

The previous prime is 135357259. The next prime is 135357289. The reversal of 135357263 is 362753531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135357263 - 2² = 135357259 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 (135357203) 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, 117956 + ... + 119097.

It is an arithmetic number, because the mean of its divisors is an integer number (33898722).

Almost surely, 2^135357263 is an apocalyptic number.

135357263 is a deficient number, since it is larger than the sum of its proper divisors (237625).

135357263 is an equidigital number, since it uses as much as digits as its factorization.

135357263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237624.

The product of its digits is 56700, while the sum is 35.

The square root of 135357263 is about 11634.3140322066. The cubic root of 135357263 is about 513.4449121689. Note that the first 3 decimals are identical.

The spelling of 135357263 in words is "one hundred thirty-five million, three hundred fifty-seven thousand, two hundred sixty-three".