134144278 has 4 divisors (see below), whose sum is σ = 201216420. Its totient is φ = 67072138.

The previous prime is 134144267. The next prime is 134144279. The reversal of 134144278 is 872441431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 872441431 = 11909 ⋅73259.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134144279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33536068 + ... + 33536071.

It is an arithmetic number, because the mean of its divisors is an integer number (50304105).

Almost surely, 2^134144278 is an apocalyptic number.

134144278 is a deficient number, since it is larger than the sum of its proper divisors (67072142).

134144278 is an equidigital number, since it uses as much as digits as its factorization.

134144278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67072141.

The product of its digits is 21504, while the sum is 34.

The square root of 134144278 is about 11582.0670866646. The cubic root of 134144278 is about 511.9065864532.

The spelling of 134144278 in words is "one hundred thirty-four million, one hundred forty-four thousand, two hundred seventy-eight".