134130445 has 4 divisors (see below), whose sum is σ = 160956540. Its totient is φ = 107304352.

The previous prime is 134130401. The next prime is 134130467. The reversal of 134130445 is 544031431.

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 70593604 + 63536841 = 8402^2 + 7971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134130445 is a prime.

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, 13413040 + ... + 13413049.

It is an arithmetic number, because the mean of its divisors is an integer number (40239135).

Almost surely, 2^134130445 is an apocalyptic number.

It is an amenable number.

134130445 is a deficient number, since it is larger than the sum of its proper divisors (26826095).

134130445 is an equidigital number, since it uses as much as digits as its factorization.

134130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26826094.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 134130445 is about 11581.4698980743. The cubic root of 134130445 is about 511.8889898591. Note that the first 3 decimals are identical.

Adding to 134130445 its reverse (544031431), we get a palindrome (678161876).

The spelling of 134130445 in words is "one hundred thirty-four million, one hundred thirty thousand, four hundred forty-five".