136794816 has 168 divisors, whose sum is σ = 415893504. Its totient is φ = 42923520.

The previous prime is 136794811. The next prime is 136794817. The reversal of 136794816 is 618497631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136794811) 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, 839151 + ... + 839313.

Almost surely, 2^136794816 is an apocalyptic number.

136794816 is a gapful number since it is divisible by the number (16) 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 136794816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207946752).

136794816 is an abundant number, since it is smaller than the sum of its proper divisors (279098688).

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

136794816 is a wasteful number, since it uses less digits than its factorization.

136794816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 136794816 is about 11695.9316003472. The cubic root of 136794816 is about 515.2561844774.

The spelling of 136794816 in words is "one hundred thirty-six million, seven hundred ninety-four thousand, eight hundred sixteen".