136686060 has 144 divisors (see below), whose sum is σ = 479920896. Its totient is φ = 30842496.

The previous prime is 136686059. The next prime is 136686061. The reversal of 136686060 is 60686631.

It is an interprime number because it is at equal distance from previous prime (136686059) and next prime (136686061).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (136686061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103927 + ... + 105233.

It is an arithmetic number, because the mean of its divisors is an integer number (3332784).

Almost surely, 2^136686060 is an apocalyptic number.

136686060 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 136686060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239960448).

136686060 is an abundant number, since it is smaller than the sum of its proper divisors (343234836).

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

136686060 is a wasteful number, since it uses less digits than its factorization.

136686060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 136686060 is about 11691.2813668990. The cubic root of 136686060 is about 515.1196002115.

The spelling of 136686060 in words is "one hundred thirty-six million, six hundred eighty-six thousand, sixty".