135571934 has 8 divisors (see below), whose sum is σ = 204380400. Its totient is φ = 67445136.

The previous prime is 135571921. The next prime is 135571937. The reversal of 135571934 is 439175531.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135571937) 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 in 3 ways as a sum of consecutive naturals, for example, 169919 + ... + 170714.

It is an arithmetic number, because the mean of its divisors is an integer number (25547550).

Almost surely, 2^135571934 is an apocalyptic number.

135571934 is a deficient number, since it is larger than the sum of its proper divisors (68808466).

135571934 is a wasteful number, since it uses less digits than its factorization.

135571934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340834.

The product of its digits is 56700, while the sum is 38.

The square root of 135571934 is about 11643.5361467211. The cubic root of 135571934 is about 513.7162029061.

The spelling of 135571934 in words is "one hundred thirty-five million, five hundred seventy-one thousand, nine hundred thirty-four".