134872418 has 4 divisors (see below), whose sum is σ = 202308630. Its totient is φ = 67436208.

The previous prime is 134872337. The next prime is 134872421. The reversal of 134872418 is 814278431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122921569 + 11950849 = 11087^2 + 3457^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33718103 + ... + 33718106.

Almost surely, 2^134872418 is an apocalyptic number.

134872418 is a deficient number, since it is larger than the sum of its proper divisors (67436212).

134872418 is an equidigital number, since it uses as much as digits as its factorization.

134872418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67436211.

The product of its digits is 43008, while the sum is 38.

The square root of 134872418 is about 11613.4584857397. The cubic root of 134872418 is about 512.8311314755.

The spelling of 134872418 in words is "one hundred thirty-four million, eight hundred seventy-two thousand, four hundred eighteen".