1165210134 has 32 divisors (see below), whose sum is σ = 2567462400. Its totient is φ = 349596000.

The previous prime is 1165210133. The next prime is 1165210147. The reversal of 1165210134 is 4310125611.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165210133) 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, 80734 + ... + 94065.

It is an arithmetic number, because the mean of its divisors is an integer number (80233200).

Almost surely, 2^1165210134 is an apocalyptic number.

1165210134 is an abundant number, since it is smaller than the sum of its proper divisors (1402252266).

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

1165210134 is a wasteful number, since it uses less digits than its factorization.

1165210134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174916.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1165210134 is about 34135.1744392789. The cubic root of 1165210134 is about 1052.2883226885.

Adding to 1165210134 its reverse (4310125611), we get a palindrome (5475335745).

The spelling of 1165210134 in words is "one billion, one hundred sixty-five million, two hundred ten thousand, one hundred thirty-four".