136773018 has 12 divisors (see below), whose sum is σ = 296341578. Its totient is φ = 45591000.

The previous prime is 136773017. The next prime is 136773037. The reversal of 136773018 is 810377631.

It can be written as a sum of positive squares in only one way, i.e., 136258929 + 514089 = 11673^2 + 717^2 .

It is not an unprimeable number, because it can be changed into a prime (136773017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3799233 + ... + 3799268.

Almost surely, 2^136773018 is an apocalyptic number.

136773018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136773018 is an abundant number, since it is smaller than the sum of its proper divisors (159568560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136773018 is a wasteful number, since it uses less digits than its factorization.

136773018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598509 (or 7598506 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 136773018 is about 11694.9997007268. Note that the first 3 decimals coincide. The cubic root of 136773018 is about 515.2288146514.

The spelling of 136773018 in words is "one hundred thirty-six million, seven hundred seventy-three thousand, eighteen".