134531121 has 4 divisors (see below), whose sum is σ = 179374832. Its totient is φ = 89687412.

The previous prime is 134531107. The next prime is 134531129. The reversal of 134531121 is 121135431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 134531121 - 2⁹ = 134530609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134531129) 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, 22421851 + ... + 22421856.

It is an arithmetic number, because the mean of its divisors is an integer number (44843708).

Almost surely, 2^134531121 is an apocalyptic number.

It is an amenable number.

134531121 is a deficient number, since it is larger than the sum of its proper divisors (44843711).

134531121 is an equidigital number, since it uses as much as digits as its factorization.

134531121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44843710.

The product of its digits is 360, while the sum is 21.

The square root of 134531121 is about 11598.7551487218. The cubic root of 134531121 is about 512.3981900481.

Adding to 134531121 its reverse (121135431), we get a palindrome (255666552).

The spelling of 134531121 in words is "one hundred thirty-four million, five hundred thirty-one thousand, one hundred twenty-one".