135574427 has 2 divisors, whose sum is σ = 135574428. Its totient is φ = 135574426.

The previous prime is 135574409. The next prime is 135574459. The reversal of 135574427 is 724475531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135574427 - 2⁶ = 135574363 is a prime.

It is not a weakly prime, because it can be changed into another prime (135574727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67787213 + 67787214.

It is an arithmetic number, because the mean of its divisors is an integer number (67787214).

Almost surely, 2^135574427 is an apocalyptic number.

135574427 is a deficient number, since it is larger than the sum of its proper divisors (1).

135574427 is an equidigital number, since it uses as much as digits as its factorization.

135574427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 135574427 is about 11643.6432013352. The cubic root of 135574427 is about 513.7193517551.

The spelling of 135574427 in words is "one hundred thirty-five million, five hundred seventy-four thousand, four hundred twenty-seven".