134206660 has 48 divisors (see below), whose sum is σ = 325745280. Its totient is φ = 45492480.

The previous prime is 134206637. The next prime is 134206669. The reversal of 134206660 is 66602431.

It is a super-2 number, since 2×134206660² = 36022855176711200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (134206669) 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, 7075 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (6786360).

Almost surely, 2^134206660 is an apocalyptic number.

134206660 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 134206660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162872640).

134206660 is an abundant number, since it is smaller than the sum of its proper divisors (191538620).

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

134206660 is a wasteful number, since it uses less digits than its factorization.

134206660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10876 (or 10874 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 134206660 is about 11584.7598162413. The cubic root of 134206660 is about 511.9859259234.

The spelling of 134206660 in words is "one hundred thirty-four million, two hundred six thousand, six hundred sixty".