136783836 has 192 divisors, whose sum is σ = 445132800. Its totient is φ = 35417088.

The previous prime is 136783813. The next prime is 136783841. The reversal of 136783836 is 638387631.

136783836 = T₁₂₅ + T₁₂₆ + ... + T₉₃₆.

136783836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136783791 and 136783800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 372525 + ... + 372891.

It is an arithmetic number, because the mean of its divisors is an integer number (2318400).

Almost surely, 2^136783836 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 136783836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222566400).

136783836 is an abundant number, since it is smaller than the sum of its proper divisors (308348964).

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

136783836 is a wasteful number, since it uses less digits than its factorization.

136783836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 425 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 136783836 is about 11695.4621969378. The cubic root of 136783836 is about 515.2423982233.

The spelling of 136783836 in words is "one hundred thirty-six million, seven hundred eighty-three thousand, eight hundred thirty-six".