136834884 has 54 divisors (see below), whose sum is σ = 365085630. Its totient is φ = 43206912.

The previous prime is 136834823. The next prime is 136834897. The reversal of 136834884 is 488438631.

136834884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 6874884 = 11400^2 + 2622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7732 + ... + 18260.

It is an arithmetic number, because the mean of its divisors is an integer number (6760845).

Almost surely, 2^136834884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136834884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182542815).

136834884 is an abundant number, since it is smaller than the sum of its proper divisors (228250746).

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

136834884 is a wasteful number, since it uses less digits than its factorization.

136834884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577 (or 10553 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 136834884 is about 11697.6443782498. The cubic root of 136834884 is about 515.3064867477.

The spelling of 136834884 in words is "one hundred thirty-six million, eight hundred thirty-four thousand, eight hundred eighty-four".