134195418 has 72 divisors (see below), whose sum is σ = 340199028. Its totient is φ = 38118528.

The previous prime is 134195407. The next prime is 134195431. The reversal of 134195418 is 814591431.

It can be written as a sum of positive squares in 2 ways, for example, as 122478489 + 11716929 = 11067^2 + 3423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 205180 + ... + 205832.

Almost surely, 2^134195418 is an apocalyptic number.

134195418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134195418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170099514).

134195418 is an abundant number, since it is smaller than the sum of its proper divisors (206003610).

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

134195418 is a wasteful number, since it uses less digits than its factorization.

134195418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 898 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 134195418 is about 11584.2745996458. The cubic root of 134195418 is about 511.9716297960.

The spelling of 134195418 in words is "one hundred thirty-four million, one hundred ninety-five thousand, four hundred eighteen".