136365898 has 16 divisors (see below), whose sum is σ = 209510280. Its totient is φ = 66548736.

The previous prime is 136365893. The next prime is 136365913. The reversal of 136365898 is 898563631.

It can be written as a sum of positive squares in 4 ways, for example, as 136118889 + 247009 = 11667^2 + 497^2 .

It is not an unprimeable number, because it can be changed into a prime (136365893) 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, 9348 + ... + 18976.

Almost surely, 2^136365898 is an apocalyptic number.

136365898 is a deficient number, since it is larger than the sum of its proper divisors (73144382).

136365898 is an equidigital number, since it uses as much as digits as its factorization.

136365898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801.

The product of its digits is 933120, while the sum is 49.

The square root of 136365898 is about 11677.5809995050. The cubic root of 136365898 is about 514.7170947535.

The spelling of 136365898 in words is "one hundred thirty-six million, three hundred sixty-five thousand, eight hundred ninety-eight".