136605433 has 8 divisors (see below), whose sum is σ = 139434696. Its totient is φ = 133785600.

The previous prime is 136605401. The next prime is 136605451. The reversal of 136605433 is 334506631.

136605433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28174864 + 108430569 = 5308^2 + 10413^2 .

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 136605433 - 2⁵ = 136605401 is a prime.

It is a super-2 number, since 2×136605433² = 37322088650234978, 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 = 136605395 and 136605404.

It is not an unprimeable number, because it can be changed into a prime (136605493) 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, 31963 + ... + 35983.

It is an arithmetic number, because the mean of its divisors is an integer number (17429337).

Almost surely, 2^136605433 is an apocalyptic number.

It is an amenable number.

136605433 is a deficient number, since it is larger than the sum of its proper divisors (2829263).

136605433 is an equidigital number, since it uses as much as digits as its factorization.

136605433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 136605433 is about 11687.8326904521. The cubic root of 136605433 is about 515.0182957650.

The spelling of 136605433 in words is "one hundred thirty-six million, six hundred five thousand, four hundred thirty-three".