136021336 has 32 divisors (see below), whose sum is σ = 278815680. Its totient is φ = 61696800.

The previous prime is 136021309. The next prime is 136021343. The reversal of 136021336 is 633120631.

It is a self number, because there is not a number n which added to its sum of digits gives 136021336.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48895 + ... + 51601.

It is an arithmetic number, because the mean of its divisors is an integer number (8712990).

Almost surely, 2^136021336 is an apocalyptic number.

It is an amenable number.

136021336 is an abundant number, since it is smaller than the sum of its proper divisors (142794344).

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

136021336 is a wasteful number, since it uses less digits than its factorization.

136021336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 136021336 is about 11662.8185272686. The cubic root of 136021336 is about 514.2832093058.

Adding to 136021336 its reverse (633120631), we get a palindrome (769141967).

The spelling of 136021336 in words is "one hundred thirty-six million, twenty-one thousand, three hundred thirty-six".