136894068 has 36 divisors (see below), whose sum is σ = 361085088. Its totient is φ = 43647120.

The previous prime is 136894049. The next prime is 136894097. The reversal of 136894068 is 860498631.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81838 + ... + 83493.

Almost surely, 2^136894068 is an apocalyptic number.

136894068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136894068 is an abundant number, since it is smaller than the sum of its proper divisors (224191020).

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

136894068 is a wasteful number, since it uses less digits than its factorization.

136894068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165364 (or 165359 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 136894068 is about 11700.1738448623. The cubic root of 136894068 is about 515.3807697139.

The spelling of 136894068 in words is "one hundred thirty-six million, eight hundred ninety-four thousand, sixty-eight".