134010521 has 4 divisors (see below), whose sum is σ = 134035044. Its totient is φ = 133986000.

The previous prime is 134010517. The next prime is 134010529. The reversal of 134010521 is 125010431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120209296 + 13801225 = 10964^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 134010521 - 2² = 134010517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134010521.

It is not an unprimeable number, because it can be changed into a prime (134010529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (33508761).

Almost surely, 2^134010521 is an apocalyptic number.

It is an amenable number.

134010521 is a deficient number, since it is larger than the sum of its proper divisors (24523).

134010521 is an equidigital number, since it uses as much as digits as its factorization.

134010521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24522.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 134010521 is about 11576.2913318558. The cubic root of 134010521 is about 511.7363869716.

Adding to 134010521 its reverse (125010431), we get a palindrome (259020952).

The spelling of 134010521 in words is "one hundred thirty-four million, ten thousand, five hundred twenty-one".