134028145 has 4 divisors (see below), whose sum is σ = 160833780. Its totient is φ = 107222512.

The previous prime is 134028137. The next prime is 134028157. The reversal of 134028145 is 541820431.

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 101263969 + 32764176 = 10063^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 134028145 - 2³ = 134028137 is a prime.

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, 13402810 + ... + 13402819.

It is an arithmetic number, because the mean of its divisors is an integer number (40208445).

Almost surely, 2^134028145 is an apocalyptic number.

It is an amenable number.

134028145 is a deficient number, since it is larger than the sum of its proper divisors (26805635).

134028145 is an equidigital number, since it uses as much as digits as its factorization.

134028145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26805634.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 134028145 is about 11577.0525178043. The cubic root of 134028145 is about 511.7588191575.

Adding to 134028145 its reverse (541820431), we get a palindrome (675848576).

The spelling of 134028145 in words is "one hundred thirty-four million, twenty-eight thousand, one hundred forty-five".