135263361 has 8 divisors (see below), whose sum is σ = 180594304. Its totient is φ = 90054000.

The previous prime is 135263353. The next prime is 135263371. The reversal of 135263361 is 163362531.

It is a happy number.

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

It is not a de Polignac number, because 135263361 - 2³ = 135263353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135263311) 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, 27766 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (22574288).

Almost surely, 2^135263361 is an apocalyptic number.

It is an amenable number.

135263361 is a deficient number, since it is larger than the sum of its proper divisors (45330943).

135263361 is an equidigital number, since it uses as much as digits as its factorization.

135263361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60791.

The product of its digits is 9720, while the sum is 30.

The square root of 135263361 is about 11630.2777696837. The cubic root of 135263361 is about 513.3261532232.

The spelling of 135263361 in words is "one hundred thirty-five million, two hundred sixty-three thousand, three hundred sixty-one".