134489718 has 48 divisors (see below), whose sum is σ = 328154112. Its totient is φ = 39438000.

The previous prime is 134489711. The next prime is 134489731. The reversal of 134489718 is 817984431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134489711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4818 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (6836544).

Almost surely, 2^134489718 is an apocalyptic number.

134489718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

134489718 is an abundant number, since it is smaller than the sum of its proper divisors (193664394).

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

134489718 is a wasteful number, since it uses less digits than its factorization.

134489718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21961 (or 21958 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 134489718 is about 11596.9702077741. The cubic root of 134489718 is about 512.3456198105.

The spelling of 134489718 in words is "one hundred thirty-four million, four hundred eighty-nine thousand, seven hundred eighteen".