136843768 has 8 divisors (see below), whose sum is σ = 256582080. Its totient is φ = 68421880.

The previous prime is 136843753. The next prime is 136843787. The reversal of 136843768 is 867348631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8552728 + ... + 8552743.

It is an arithmetic number, because the mean of its divisors is an integer number (32072760).

Almost surely, 2^136843768 is an apocalyptic number.

It is an amenable number.

136843768 is a deficient number, since it is larger than the sum of its proper divisors (119738312).

136843768 is a wasteful number, since it uses less digits than its factorization.

136843768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105477 (or 17105473 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 136843768 is about 11698.0241066601. The cubic root of 136843768 is about 515.3176385915.

The spelling of 136843768 in words is "one hundred thirty-six million, eight hundred forty-three thousand, seven hundred sixty-eight".