136426836 has 96 divisors (see below), whose sum is σ = 414892800. Its totient is φ = 33859584.

The previous prime is 136426813. The next prime is 136426837. The reversal of 136426836 is 638624631.

It is a super-2 number, since 2×136426836² = 37224563161941792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 136426794 and 136426803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136426837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14890 + ... + 22238.

It is an arithmetic number, because the mean of its divisors is an integer number (4321800).

Almost surely, 2^136426836 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 136426836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207446400).

136426836 is an abundant number, since it is smaller than the sum of its proper divisors (278465964).

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

136426836 is a wasteful number, since it uses less digits than its factorization.

136426836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393 (or 7391 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 136426836 is about 11680.1898957166. The cubic root of 136426836 is about 514.7937540937.

The spelling of 136426836 in words is "one hundred thirty-six million, four hundred twenty-six thousand, eight hundred thirty-six".