136433263 has 16 divisors (see below), whose sum is σ = 147916800. Its totient is φ = 125468640.

The previous prime is 136433207. The next prime is 136433267. The reversal of 136433263 is 362334631.

It is a happy number.

136433263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136433263 is a prime.

It is a super-2 number, since 2×136433263² = 37228070505654338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136433267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127093 + ... + 128161.

It is an arithmetic number, because the mean of its divisors is an integer number (9244800).

Almost surely, 2^136433263 is an apocalyptic number.

136433263 is a deficient number, since it is larger than the sum of its proper divisors (11483537).

136433263 is a wasteful number, since it uses less digits than its factorization.

136433263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its digits is 23328, while the sum is 31.

The square root of 136433263 is about 11680.4650164281. The cubic root of 136433263 is about 514.8018378589.

Adding to 136433263 its reverse (362334631), we get a palindrome (498767894).

The spelling of 136433263 in words is "one hundred thirty-six million, four hundred thirty-three thousand, two hundred sixty-three".