134321045 has 4 divisors (see below), whose sum is σ = 161185260. Its totient is φ = 107456832.

The previous prime is 134321021. The next prime is 134321129. The reversal of 134321045 is 540123431.

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 31460881 + 102860164 = 5609^2 + 10142^2 .

It is a cyclic number.

It is not a de Polignac number, because 134321045 - 2¹⁶ = 134255509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134321045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13432100 + ... + 13432109.

It is an arithmetic number, because the mean of its divisors is an integer number (40296315).

Almost surely, 2^134321045 is an apocalyptic number.

It is an amenable number.

134321045 is a deficient number, since it is larger than the sum of its proper divisors (26864215).

134321045 is an equidigital number, since it uses as much as digits as its factorization.

134321045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26864214.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 134321045 is about 11589.6956387991. The cubic root of 134321045 is about 512.1313406641.

Adding to 134321045 its reverse (540123431), we get a palindrome (674444476).

The spelling of 134321045 in words is "one hundred thirty-four million, three hundred twenty-one thousand, forty-five".