134251571 has 8 divisors (see below), whose sum is σ = 136047600. Its totient is φ = 132466432.

The previous prime is 134251561. The next prime is 134251591. The reversal of 134251571 is 175152431.

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

It is a cyclic number.

It is not a de Polignac number, because 134251571 - 2¹⁴ = 134235187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134251531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23780 + ... + 28878.

It is an arithmetic number, because the mean of its divisors is an integer number (17005950).

Almost surely, 2^134251571 is an apocalyptic number.

134251571 is a deficient number, since it is larger than the sum of its proper divisors (1796029).

134251571 is a wasteful number, since it uses less digits than its factorization.

134251571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445.

The product of its digits is 4200, while the sum is 29.

The square root of 134251571 is about 11586.6980197121. The cubic root of 134251571 is about 512.0430299834.

The spelling of 134251571 in words is "one hundred thirty-four million, two hundred fifty-one thousand, five hundred seventy-one".