136423633 has 8 divisors (see below), whose sum is σ = 138847016. Its totient is φ = 134006400.

The previous prime is 136423601. The next prime is 136423663. The reversal of 136423633 is 336324631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10804369 + 125619264 = 3287^2 + 11208^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 136423633 - 2⁵ = 136423601 is a prime.

It is a super-2 number, since 2×136423633² = 37222815281837378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136423595 and 136423604.

It is not an unprimeable number, because it can be changed into a prime (136423663) 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, 79735 + ... + 81427.

It is an arithmetic number, because the mean of its divisors is an integer number (17355877).

Almost surely, 2^136423633 is an apocalyptic number.

It is an amenable number.

136423633 is a deficient number, since it is larger than the sum of its proper divisors (2423383).

136423633 is a wasteful number, since it uses less digits than its factorization.

136423633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

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

The square root of 136423633 is about 11680.0527824150. The cubic root of 136423633 is about 514.7897253231.

The spelling of 136423633 in words is "one hundred thirty-six million, four hundred twenty-three thousand, six hundred thirty-three".