165112134 has 16 divisors (see below), whose sum is σ = 360244800. Its totient is φ = 50033960.

The previous prime is 165112127. The next prime is 165112141. The reversal of 165112134 is 431211561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (165112127) and next prime (165112141).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250784 + ... + 1250915.

It is an arithmetic number, because the mean of its divisors is an integer number (22515300).

Almost surely, 2^165112134 is an apocalyptic number.

165112134 is an abundant number, since it is smaller than the sum of its proper divisors (195132666).

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

165112134 is a wasteful number, since it uses less digits than its factorization.

165112134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501715.

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

The square root of 165112134 is about 12849.5966473660. The cubic root of 165112134 is about 548.6048762584.

Adding to 165112134 its reverse (431211561), we get a palindrome (596323695).

The spelling of 165112134 in words is "one hundred sixty-five million, one hundred twelve thousand, one hundred thirty-four".