134423578 has 12 divisors (see below), whose sum is σ = 203174622. Its totient is φ = 66702560.

The previous prime is 134423467. The next prime is 134423579. The reversal of 134423578 is 875324431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 133564249 + 859329 = 11557^2 + 927^2 .

It is not an unprimeable number, because it can be changed into a prime (134423579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35748 + ... + 39328.

Almost surely, 2^134423578 is an apocalyptic number.

134423578 is a deficient number, since it is larger than the sum of its proper divisors (68751044).

134423578 is an equidigital number, since it uses as much as digits as its factorization.

134423578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3720 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 134423578 is about 11594.1182502164. The cubic root of 134423578 is about 512.2616181082.

It can be divided in two parts, 13442 and 3578, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 134423578 in words is "one hundred thirty-four million, four hundred twenty-three thousand, five hundred seventy-eight".