134790289 has 8 divisors (see below), whose sum is σ = 142070760. Its totient is φ = 127685376.

The previous prime is 134790287. The next prime is 134790311. The reversal of 134790289 is 982097431.

It can be written as a sum of positive squares in 4 ways, for example, as 80281600 + 54508689 = 8960^2 + 7383^2 .

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

It is not a de Polignac number, because 134790289 - 2¹ = 134790287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134790283) 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, 42312 + ... + 45385.

It is an arithmetic number, because the mean of its divisors is an integer number (17758845).

Almost surely, 2^134790289 is an apocalyptic number.

It is an amenable number.

134790289 is a deficient number, since it is larger than the sum of its proper divisors (7280471).

134790289 is an equidigital number, since it uses as much as digits as its factorization.

134790289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87779.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 134790289 is about 11609.9220066286. The cubic root of 134790289 is about 512.7270161427.

The spelling of 134790289 in words is "one hundred thirty-four million, seven hundred ninety thousand, two hundred eighty-nine".