136841784 has 16 divisors (see below), whose sum is σ = 342104520. Its totient is φ = 45613920.

The previous prime is 136841777. The next prime is 136841797. The reversal of 136841784 is 487148631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850847 + ... + 2850894.

Almost surely, 2^136841784 is an apocalyptic number.

It is an amenable number.

136841784 is an abundant number, since it is smaller than the sum of its proper divisors (205262736).

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

136841784 is a wasteful number, since it uses less digits than its factorization.

136841784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701750 (or 5701746 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 136841784 is about 11697.9393057068. The cubic root of 136841784 is about 515.3151481721.

The spelling of 136841784 in words is "one hundred thirty-six million, eight hundred forty-one thousand, seven hundred eighty-four".