134800668 has 36 divisors (see below), whose sum is σ = 358681960. Its totient is φ = 42568416.

The previous prime is 134800643. The next prime is 134800669. The reversal of 134800668 is 866008431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134800669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97855 + ... + 99222.

Almost surely, 2^134800668 is an apocalyptic number.

134800668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

134800668 is an abundant number, since it is smaller than the sum of its proper divisors (223881292).

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

134800668 is a wasteful number, since it uses less digits than its factorization.

134800668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197106 (or 197101 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 134800668 is about 11610.3689863845. The cubic root of 134800668 is about 512.7401759857.

The spelling of 134800668 in words is "one hundred thirty-four million, eight hundred thousand, six hundred sixty-eight".