136734390 has 48 divisors (see below), whose sum is σ = 382859568. Its totient is φ = 33657408.

The previous prime is 136734373. The next prime is 136734413. The reversal of 136734390 is 93437631.

136734390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57264 + ... + 59603.

It is an arithmetic number, because the mean of its divisors is an integer number (7976241).

Almost surely, 2^136734390 is an apocalyptic number.

136734390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136734390 is an abundant number, since it is smaller than the sum of its proper divisors (246125178).

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

136734390 is a wasteful number, since it uses less digits than its factorization.

136734390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116893 (or 116890 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 136734390 is about 11693.3481090747. The cubic root of 136734390 is about 515.1803057353.

The spelling of 136734390 in words is "one hundred thirty-six million, seven hundred thirty-four thousand, three hundred ninety".