134874563 has 4 divisors (see below), whose sum is σ = 139525440. Its totient is φ = 130223688.

The previous prime is 134874541. The next prime is 134874569. The reversal of 134874563 is 365478431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 134874563 - 2¹⁸ = 134612419 is a prime.

It is a super-2 number, since 2×134874563² = 36382295488881938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134874563.

It is not an unprimeable number, because it can be changed into a prime (134874569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325395 + ... + 2325452.

It is an arithmetic number, because the mean of its divisors is an integer number (34881360).

Almost surely, 2^134874563 is an apocalyptic number.

134874563 is a deficient number, since it is larger than the sum of its proper divisors (4650877).

134874563 is an equidigital number, since it uses as much as digits as its factorization.

134874563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650876.

The product of its digits is 241920, while the sum is 41.

The square root of 134874563 is about 11613.5508351236. The cubic root of 134874563 is about 512.8338501360.

The spelling of 134874563 in words is "one hundred thirty-four million, eight hundred seventy-four thousand, five hundred sixty-three".