134052581 has 8 divisors (see below), whose sum is σ = 151962720. Its totient is φ = 117227952.

The previous prime is 134052571. The next prime is 134052617. The reversal of 134052581 is 185250431.

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 134052581 - 2¹⁴ = 134036197 is a prime.

It is a super-2 number, since 2×134052581² = 35940188945523122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134052511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271115 + ... + 271608.

It is an arithmetic number, because the mean of its divisors is an integer number (18995340).

Almost surely, 2^134052581 is an apocalyptic number.

It is an amenable number.

134052581 is a deficient number, since it is larger than the sum of its proper divisors (17910139).

134052581 is a wasteful number, since it uses less digits than its factorization.

134052581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542755.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 134052581 is about 11578.1078333206. The cubic root of 134052581 is about 511.7899185424.

The spelling of 134052581 in words is "one hundred thirty-four million, fifty-two thousand, five hundred eighty-one".