134031665 has 16 divisors (see below), whose sum is σ = 165258576. Its totient is φ = 104294400.

The previous prime is 134031659. The next prime is 134031679. The reversal of 134031665 is 566130431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 87628321 + 46403344 = 9361^2 + 6812^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134031665 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85529 + ... + 87081.

It is an arithmetic number, because the mean of its divisors is an integer number (10328661).

Almost surely, 2^134031665 is an apocalyptic number.

It is an amenable number.

134031665 is a deficient number, since it is larger than the sum of its proper divisors (31226911).

134031665 is a wasteful number, since it uses less digits than its factorization.

134031665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 134031665 is about 11577.2045416845. The cubic root of 134031665 is about 511.7632992495.

The spelling of 134031665 in words is "one hundred thirty-four million, thirty-one thousand, six hundred sixty-five".