136679776 has 48 divisors (see below), whose sum is σ = 278087040. Its totient is φ = 66078720.

The previous prime is 136679771. The next prime is 136679821. The reversal of 136679776 is 677976631.

It is a super-2 number, since 2×136679776² = 37362722334820352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136679771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285105 + ... + 285583.

It is an arithmetic number, because the mean of its divisors is an integer number (5793480).

Almost surely, 2^136679776 is an apocalyptic number.

136679776 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 136679776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139043520).

136679776 is an abundant number, since it is smaller than the sum of its proper divisors (141407264).

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

136679776 is a wasteful number, since it uses less digits than its factorization.

136679776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 136679776 is about 11691.0126165358. The cubic root of 136679776 is about 515.1117060605. Note that the first 3 decimals are identical.

The spelling of 136679776 in words is "one hundred thirty-six million, six hundred seventy-nine thousand, seven hundred seventy-six".