136621183 has 2 divisors, whose sum is σ = 136621184. Its totient is φ = 136621182.

The previous prime is 136621103. The next prime is 136621201. The reversal of 136621183 is 381126631.

136621183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136621183 - 2¹⁷ = 136490111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136621103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68310591 + 68310592.

It is an arithmetic number, because the mean of its divisors is an integer number (68310592).

Almost surely, 2^136621183 is an apocalyptic number.

136621183 is a deficient number, since it is larger than the sum of its proper divisors (1).

136621183 is an equidigital number, since it uses as much as digits as its factorization.

136621183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 136621183 is about 11688.5064486443. The cubic root of 136621183 is about 515.0380881121.

The spelling of 136621183 in words is "one hundred thirty-six million, six hundred twenty-one thousand, one hundred eighty-three".