134818965 has 32 divisors (see below), whose sum is σ = 252297600. Its totient is φ = 68117760.

The previous prime is 134818963. The next prime is 134818979. The reversal of 134818965 is 569818431.

It is not a de Polignac number, because 134818965 - 2¹ = 134818963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134818965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134818961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23716 + ... + 28845.

It is an arithmetic number, because the mean of its divisors is an integer number (7884300).

Almost surely, 2^134818965 is an apocalyptic number.

134818965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134818965 is a deficient number, since it is larger than the sum of its proper divisors (117478635).

134818965 is a wasteful number, since it uses less digits than its factorization.

134818965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52594 (or 52588 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 134818965 is about 11611.1569191016. The cubic root of 134818965 is about 512.7633736516.

The spelling of 134818965 in words is "one hundred thirty-four million, eight hundred eighteen thousand, nine hundred sixty-five".