134842565 has 48 divisors (see below), whose sum is σ = 194477760. Its totient is φ = 88957440.

The previous prime is 134842559. The next prime is 134842567. The reversal of 134842565 is 565248431.

It is not a de Polignac number, because 134842565 - 2¹⁰ = 134841541 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134842567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827174 + ... + 827336.

It is an arithmetic number, because the mean of its divisors is an integer number (4051620).

Almost surely, 2^134842565 is an apocalyptic number.

It is an amenable number.

134842565 is a deficient number, since it is larger than the sum of its proper divisors (59635195).

134842565 is a wasteful number, since it uses less digits than its factorization.

134842565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 281 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 134842565 is about 11612.1731385645. The cubic root of 134842565 is about 512.7932915729.

The spelling of 134842565 in words is "one hundred thirty-four million, eight hundred forty-two thousand, five hundred sixty-five".