136450263 has 4 divisors (see below), whose sum is σ = 181933688. Its totient is φ = 90966840.

The previous prime is 136450247. The next prime is 136450271. The reversal of 136450263 is 362054631.

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

It is not a de Polignac number, because 136450263 - 2⁴ = 136450247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136450263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136450273) 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, 22741708 + ... + 22741713.

It is an arithmetic number, because the mean of its divisors is an integer number (45483422).

Almost surely, 2^136450263 is an apocalyptic number.

136450263 is a deficient number, since it is larger than the sum of its proper divisors (45483425).

136450263 is an equidigital number, since it uses as much as digits as its factorization.

136450263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45483424.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 136450263 is about 11681.1927045144. The cubic root of 136450263 is about 514.8232189297.

The spelling of 136450263 in words is "one hundred thirty-six million, four hundred fifty thousand, two hundred sixty-three".