136285418 has 4 divisors (see below), whose sum is σ = 204428130. Its totient is φ = 68142708.

The previous prime is 136285417. The next prime is 136285427. The reversal of 136285418 is 814582631.

136285418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 814582631 = 15289 ⋅53279.

It can be written as a sum of positive squares in only one way, i.e., 133702969 + 2582449 = 11563^2 + 1607^2 .

It is not an unprimeable number, because it can be changed into a prime (136285411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34071353 + ... + 34071356.

Almost surely, 2^136285418 is an apocalyptic number.

136285418 is a deficient number, since it is larger than the sum of its proper divisors (68142712).

136285418 is an equidigital number, since it uses as much as digits as its factorization.

136285418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68142711.

The product of its digits is 46080, while the sum is 38.

The square root of 136285418 is about 11674.1345717788. The cubic root of 136285418 is about 514.6158167842.

The spelling of 136285418 in words is "one hundred thirty-six million, two hundred eighty-five thousand, four hundred eighteen".