135278354 has 4 divisors (see below), whose sum is σ = 202917534. Its totient is φ = 67639176.

The previous prime is 135278323. The next prime is 135278369. The reversal of 135278354 is 453872531.

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., 117831025 + 17447329 = 10855^2 + 4177^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33819587 + ... + 33819590.

Almost surely, 2^135278354 is an apocalyptic number.

135278354 is a deficient number, since it is larger than the sum of its proper divisors (67639180).

135278354 is an equidigital number, since it uses as much as digits as its factorization.

135278354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67639179.

The product of its digits is 100800, while the sum is 38.

The square root of 135278354 is about 11630.9223194036. The cubic root of 135278354 is about 513.3451187302.

The spelling of 135278354 in words is "one hundred thirty-five million, two hundred seventy-eight thousand, three hundred fifty-four".