136849064 has 48 divisors (see below), whose sum is σ = 284846100. Its totient is φ = 61585920.

The previous prime is 136849061. The next prime is 136849073. The reversal of 136849064 is 460948631.

It can be written as a sum of positive squares in 2 ways, for example, as 109202500 + 27646564 = 10450^2 + 5258^2 .

It is not an unprimeable number, because it can be changed into a prime (136849061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104864 + ... + 106160.

Almost surely, 2^136849064 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 136849064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142423050).

136849064 is an abundant number, since it is smaller than the sum of its proper divisors (147997036).

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

136849064 is a wasteful number, since it uses less digits than its factorization.

136849064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 136849064 is about 11698.2504674844. The cubic root of 136849064 is about 515.3242862868.

The spelling of 136849064 in words is "one hundred thirty-six million, eight hundred forty-nine thousand, sixty-four".