136894760 has 64 divisors (see below), whose sum is σ = 324103680. Its totient is φ = 51966720.

The previous prime is 136894739. The next prime is 136894787. The reversal of 136894760 is 67498631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64679 + ... + 66761.

It is an arithmetic number, because the mean of its divisors is an integer number (5064120).

Almost surely, 2^136894760 is an apocalyptic number.

136894760 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 136894760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162051840).

136894760 is an abundant number, since it is smaller than the sum of its proper divisors (187208920).

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

136894760 is a wasteful number, since it uses less digits than its factorization.

136894760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 136894760 is about 11700.2034170351. The cubic root of 136894760 is about 515.3816381296.

The spelling of 136894760 in words is "one hundred thirty-six million, eight hundred ninety-four thousand, seven hundred sixty".