136073784 has 192 divisors, whose sum is σ = 440933760. Its totient is φ = 34594560.

The previous prime is 136073779. The next prime is 136073837. The reversal of 136073784 is 487370631.

It is a super-3 number, since 3×136073784³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 866634 + ... + 866790.

It is an arithmetic number, because the mean of its divisors is an integer number (2296530).

Almost surely, 2^136073784 is an apocalyptic number.

136073784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136073784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220466880).

136073784 is an abundant number, since it is smaller than the sum of its proper divisors (304859976).

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

136073784 is a wasteful number, since it uses less digits than its factorization.

136073784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 136073784 is about 11665.0668236406. The cubic root of 136073784 is about 514.3493010443.

It can be divided in two parts, 13607 and 3784, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 136073784 in words is "one hundred thirty-six million, seventy-three thousand, seven hundred eighty-four".