134520873 has 16 divisors (see below), whose sum is σ = 185782272. Its totient is φ = 86490000.

The previous prime is 134520871. The next prime is 134520907. The reversal of 134520873 is 378025431.

It is not a de Polignac number, because 134520873 - 2¹ = 134520871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134520871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26598 + ... + 31248.

It is an arithmetic number, because the mean of its divisors is an integer number (11611392).

Almost surely, 2^134520873 is an apocalyptic number.

It is an amenable number.

134520873 is a deficient number, since it is larger than the sum of its proper divisors (51261399).

134520873 is a wasteful number, since it uses less digits than its factorization.

134520873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 134520873 is about 11598.3133687619. The cubic root of 134520873 is about 512.3851789570.

The spelling of 134520873 in words is "one hundred thirty-four million, five hundred twenty thousand, eight hundred seventy-three".