134406660 has 24 divisors (see below), whose sum is σ = 376338816. Its totient is φ = 35841760.

The previous prime is 134406647. The next prime is 134406667. The reversal of 134406660 is 66604431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (134406667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119996 + ... + 1120115.

It is an arithmetic number, because the mean of its divisors is an integer number (15680784).

Almost surely, 2^134406660 is an apocalyptic number.

134406660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134406660 is an abundant number, since it is smaller than the sum of its proper divisors (241932156).

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

134406660 is a wasteful number, since it uses less digits than its factorization.

134406660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240123 (or 2240121 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 134406660 is about 11593.3886331823. The cubic root of 134406660 is about 512.2401268247.

It can be divided in two parts, 13440 and 6660, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 134406660 in words is "one hundred thirty-four million, four hundred six thousand, six hundred sixty".