136922688 has 168 divisors, whose sum is σ = 464393280. Its totient is φ = 37739520.

The previous prime is 136922671. The next prime is 136922689. The reversal of 136922688 is 886229631.

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136922689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116343 + ... + 117513.

Almost surely, 2^136922688 is an apocalyptic number.

136922688 is a gapful number since it is divisible by the number (18) 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 136922688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232196640).

136922688 is an abundant number, since it is smaller than the sum of its proper divisors (327470592).

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

136922688 is a wasteful number, since it uses less digits than its factorization.

136922688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1212 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 136922688 is about 11701.3968396940. The cubic root of 136922688 is about 515.4166835413.

The spelling of 136922688 in words is "one hundred thirty-six million, nine hundred twenty-two thousand, six hundred eighty-eight".