136353859 has 2 divisors, whose sum is σ = 136353860. Its totient is φ = 136353858.

The previous prime is 136353851. The next prime is 136353869. The reversal of 136353859 is 958353631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136353859 - 2³ = 136353851 is a prime.

It is equal to p_7717579 and since 136353859 and 7717579 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (136353851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68176929 + 68176930.

It is an arithmetic number, because the mean of its divisors is an integer number (68176930).

Almost surely, 2^136353859 is an apocalyptic number.

136353859 is a deficient number, since it is larger than the sum of its proper divisors (1).

136353859 is an equidigital number, since it uses as much as digits as its factorization.

136353859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 136353859 is about 11677.0655132186. The cubic root of 136353859 is about 514.7019471211.

The spelling of 136353859 in words is "one hundred thirty-six million, three hundred fifty-three thousand, eight hundred fifty-nine".