134899478 has 8 divisors (see below), whose sum is σ = 231256272. Its totient is φ = 57814056.

The previous prime is 134899441. The next prime is 134899489. The reversal of 134899478 is 874998431.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4817825 + ... + 4817852.

It is an arithmetic number, because the mean of its divisors is an integer number (28907034).

Almost surely, 2^134899478 is an apocalyptic number.

134899478 is a deficient number, since it is larger than the sum of its proper divisors (96356794).

134899478 is an equidigital number, since it uses as much as digits as its factorization.

134899478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635686.

The product of its digits is 1741824, while the sum is 53.

The square root of 134899478 is about 11614.6234549382. The cubic root of 134899478 is about 512.8654263116.

The spelling of 134899478 in words is "one hundred thirty-four million, eight hundred ninety-nine thousand, four hundred seventy-eight".