134693378 has 8 divisors (see below), whose sum is σ = 202089468. Its totient is φ = 67330224.

The previous prime is 134693353. The next prime is 134693381. The reversal of 134693378 is 873396431.

It can be written as a sum of positive squares in 2 ways, for example, as 131033809 + 3659569 = 11447^2 + 1913^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10700 + ... + 19592.

Almost surely, 2^134693378 is an apocalyptic number.

134693378 is a deficient number, since it is larger than the sum of its proper divisors (67396090).

134693378 is an equidigital number, since it uses as much as digits as its factorization.

134693378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16468.

The product of its digits is 326592, while the sum is 44.

The square root of 134693378 is about 11605.7476277920. The cubic root of 134693378 is about 512.6041071870.

The spelling of 134693378 in words is "one hundred thirty-four million, six hundred ninety-three thousand, three hundred seventy-eight".