136982280 has 64 divisors (see below), whose sum is σ = 412099200. Its totient is φ = 36426240.

The previous prime is 136982269. The next prime is 136982281. The reversal of 136982280 is 82289631.

It is a happy number.

It is a super-3 number, since 3×136982280³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (136982281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47685 + ... + 50475.

It is an arithmetic number, because the mean of its divisors is an integer number (6439050).

Almost surely, 2^136982280 is an apocalyptic number.

136982280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136982280 is an abundant number, since it is smaller than the sum of its proper divisors (275116920).

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

136982280 is a wasteful number, since it uses less digits than its factorization.

136982280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 136982280 is about 11703.9429253564. The cubic root of 136982280 is about 515.4914465496.

The spelling of 136982280 in words is "one hundred thirty-six million, nine hundred eighty-two thousand, two hundred eighty".