136840116884 has 12 divisors (see below), whose sum is σ = 239832493908. Its totient is φ = 68316547200.

The previous prime is 136840116871. The next prime is 136840116899. The reversal of 136840116884 is 488611048631.

It can be written as a sum of positive squares in 2 ways, for example, as 111708355984 + 25131760900 = 334228^2 + 158530^2 .

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, 25874837 + ... + 25880124.

It is an arithmetic number, because the mean of its divisors is an integer number (19986041159).

Almost surely, 2^136840116884 is an apocalyptic number.

It is an amenable number.

136840116884 is a deficient number, since it is larger than the sum of its proper divisors (102992377024).

136840116884 is a wasteful number, since it uses less digits than its factorization.

136840116884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51755626 (or 51755624 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 136840116884 in words is "one hundred thirty-six billion, eight hundred forty million, one hundred sixteen thousand, eight hundred eighty-four".