136985264 has 40 divisors (see below), whose sum is σ = 292814592. Its totient is φ = 61678080.

The previous prime is 136985227. The next prime is 136985287. The reversal of 136985264 is 462589631.

136985264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 497 + ... + 16559.

Almost surely, 2^136985264 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 136985264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146407296).

136985264 is an abundant number, since it is smaller than the sum of its proper divisors (155829328).

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

136985264 is a wasteful number, since it uses less digits than its factorization.

136985264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16125 (or 16119 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 136985264 is about 11704.0704030692. The cubic root of 136985264 is about 515.4951896501.

It can be divided in two parts, 1369 and 85264, that multiplied together give a square (116726416 = 10804²).

The spelling of 136985264 in words is "one hundred thirty-six million, nine hundred eighty-five thousand, two hundred sixty-four".