134541521 has 8 divisors (see below), whose sum is σ = 136865664. Its totient is φ = 132229440.

The previous prime is 134541497. The next prime is 134541523. The reversal of 134541521 is 125145431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134541521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134541523) 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, 21116 + ... + 26738.

It is an arithmetic number, because the mean of its divisors is an integer number (17108208).

Almost surely, 2^134541521 is an apocalyptic number.

It is an amenable number.

134541521 is a deficient number, since it is larger than the sum of its proper divisors (2324143).

134541521 is an equidigital number, since it uses as much as digits as its factorization.

134541521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031.

The product of its digits is 2400, while the sum is 26.

The square root of 134541521 is about 11599.2034640315. The cubic root of 134541521 is about 512.4113934462.

Adding to 134541521 its reverse (125145431), we get a palindrome (259686952).

The spelling of 134541521 in words is "one hundred thirty-four million, five hundred forty-one thousand, five hundred twenty-one".