136678080 has 336 divisors, whose sum is σ = 553906944. Its totient is φ = 27740160.

The previous prime is 136678049. The next prime is 136678081. The reversal of 136678080 is 80876631.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136678081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3178539 + ... + 3178581.

Almost surely, 2^136678080 is an apocalyptic number.

136678080 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 136678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276953472).

136678080 is an abundant number, since it is smaller than the sum of its proper divisors (417228864).

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

136678080 is a wasteful number, since it uses less digits than its factorization.

136678080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 136678080 is about 11690.9400819609. The cubic root of 136678080 is about 515.1095754526.

The spelling of 136678080 in words is "one hundred thirty-six million, six hundred seventy-eight thousand, eighty".