136764080 has 80 divisors (see below), whose sum is σ = 329978880. Its totient is φ = 52679424.

The previous prime is 136764079. The next prime is 136764091. The reversal of 136764080 is 80467631.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 136764080.

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, 285281 + ... + 285759.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^136764080 is an apocalyptic number.

136764080 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 136764080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164989440).

136764080 is an abundant number, since it is smaller than the sum of its proper divisors (193214800).

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

136764080 is a wasteful number, since it uses less digits than its factorization.

136764080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 136764080 is about 11694.6175653589. The cubic root of 136764080 is about 515.2175911525.

The spelling of 136764080 in words is "one hundred thirty-six million, seven hundred sixty-four thousand, eighty".