136784896 has 66 divisors (see below), whose sum is σ = 284573940. Its totient is φ = 65710080.

The previous prime is 136784881. The next prime is 136784917. The reversal of 136784896 is 698487631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 983995 + ... + 984133.

Almost surely, 2^136784896 is an apocalyptic number.

136784896 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 136784896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142286970).

136784896 is an abundant number, since it is smaller than the sum of its proper divisors (147789044).

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

136784896 is an equidigital number, since it uses as much as digits as its factorization.

136784896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 172 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 136784896 is about 11695.5075135712. The cubic root of 136784896 is about 515.2437291689.

The spelling of 136784896 in words is "one hundred thirty-six million, seven hundred eighty-four thousand, eight hundred ninety-six".