136341889 has 2 divisors, whose sum is σ = 136341890. Its totient is φ = 136341888.

The previous prime is 136341883. The next prime is 136341911. The reversal of 136341889 is 988143631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 46471489 = 9480^2 + 6817^2 .

It is a cyclic number.

It is not a de Polignac number, because 136341889 - 2¹⁹ = 135817601 is a prime.

It is a super-2 number, since 2×136341889² = 37178221392176642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136341883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68170944 + 68170945.

It is an arithmetic number, because the mean of its divisors is an integer number (68170945).

Almost surely, 2^136341889 is an apocalyptic number.

It is an amenable number.

136341889 is a deficient number, since it is larger than the sum of its proper divisors (1).

136341889 is an equidigital number, since it uses as much as digits as its factorization.

136341889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 136341889 is about 11676.5529588145. The cubic root of 136341889 is about 514.6868854215.

The spelling of 136341889 in words is "one hundred thirty-six million, three hundred forty-one thousand, eight hundred eighty-nine".