136506133 has 2 divisors, whose sum is σ = 136506134. Its totient is φ = 136506132.

The previous prime is 136506121. The next prime is 136506137. The reversal of 136506133 is 331605631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98843364 + 37662769 = 9942^2 + 6137^2 .

It is a cyclic number.

It is not a de Polignac number, because 136506133 - 2¹³ = 136497941 is a prime.

It is a super-2 number, since 2×136506133² = 37267848693227378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136506137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68253066 + 68253067.

It is an arithmetic number, because the mean of its divisors is an integer number (68253067).

Almost surely, 2^136506133 is an apocalyptic number.

It is an amenable number.

136506133 is a deficient number, since it is larger than the sum of its proper divisors (1).

136506133 is an equidigital number, since it uses as much as digits as its factorization.

136506133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 136506133 is about 11683.5839107698. The cubic root of 136506133 is about 514.8934746839.

The spelling of 136506133 in words is "one hundred thirty-six million, five hundred six thousand, one hundred thirty-three".