136922240 has 128 divisors (see below), whose sum is σ = 403038720. Its totient is φ = 43315200.

The previous prime is 136922239. The next prime is 136922249. The reversal of 136922240 is 42229631.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136922249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57065 + ... + 59415.

It is an arithmetic number, because the mean of its divisors is an integer number (3148740).

Almost surely, 2^136922240 is an apocalyptic number.

136922240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201519360).

136922240 is an abundant number, since it is smaller than the sum of its proper divisors (266116480).

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

136922240 is a wasteful number, since it uses less digits than its factorization.

136922240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 136922240 is about 11701.3776966646. The cubic root of 136922240 is about 515.4161214068.

The spelling of 136922240 in words is "one hundred thirty-six million, nine hundred twenty-two thousand, two hundred forty".