136385263 has 8 divisors (see below), whose sum is σ = 155941280. Its totient is φ = 116847360.

The previous prime is 136385233. The next prime is 136385273. The reversal of 136385263 is 362583631.

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 136385263 - 2¹³ = 136377071 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 (136385233) 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, 21943 + ... + 27463.

It is an arithmetic number, because the mean of its divisors is an integer number (19492660).

Almost surely, 2^136385263 is an apocalyptic number.

136385263 is a deficient number, since it is larger than the sum of its proper divisors (19556017).

136385263 is an equidigital number, since it uses as much as digits as its factorization.

136385263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057.

The product of its digits is 77760, while the sum is 37.

The square root of 136385263 is about 11678.4101229577. The cubic root of 136385263 is about 514.7414581877.

The spelling of 136385263 in words is "one hundred thirty-six million, three hundred eighty-five thousand, two hundred sixty-three".