1665130134 has 32 divisors (see below), whose sum is σ = 3360730464. Its totient is φ = 549987840.

The previous prime is 1665130133. The next prime is 1665130139. The reversal of 1665130134 is 4310315661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665130133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315582 + ... + 320814.

It is an arithmetic number, because the mean of its divisors is an integer number (105022827).

Almost surely, 2^1665130134 is an apocalyptic number.

1665130134 is an abundant number, since it is smaller than the sum of its proper divisors (1695600330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1665130134 is a wasteful number, since it uses less digits than its factorization.

1665130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1665130134 is about 40806.0061020434. The cubic root of 1665130134 is about 1185.2666372879.

Adding to 1665130134 its reverse (4310315661), we get a palindrome (5975445795).

The spelling of 1665130134 in words is "one billion, six hundred sixty-five million, one hundred thirty thousand, one hundred thirty-four".