134129518 has 8 divisors (see below), whose sum is σ = 203741280. Its totient is φ = 66215760.

The previous prime is 134129509. The next prime is 134129519. The reversal of 134129518 is 815921431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134129519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424303 + ... + 424618.

It is an arithmetic number, because the mean of its divisors is an integer number (25467660).

Almost surely, 2^134129518 is an apocalyptic number.

134129518 is a deficient number, since it is larger than the sum of its proper divisors (69611762).

134129518 is an equidigital number, since it uses as much as digits as its factorization.

134129518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849002.

The product of its digits is 8640, while the sum is 34.

The square root of 134129518 is about 11581.4298771784. The cubic root of 134129518 is about 511.8878106036.

The spelling of 134129518 in words is "one hundred thirty-four million, one hundred twenty-nine thousand, five hundred eighteen".