134855873 has 4 divisors (see below), whose sum is σ = 134972208. Its totient is φ = 134739540.

The previous prime is 134855843. The next prime is 134855881. The reversal of 134855873 is 378558431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134855873 - 2¹⁰ = 134854849 is a prime.

It is a super-2 number, since 2×134855873² = 36372212965184258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134855843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56411 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (33743052).

Almost surely, 2^134855873 is an apocalyptic number.

It is an amenable number.

134855873 is a deficient number, since it is larger than the sum of its proper divisors (116335).

134855873 is a wasteful number, since it uses less digits than its factorization.

134855873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116334.

The product of its digits is 403200, while the sum is 44.

The square root of 134855873 is about 11612.7461437853. The cubic root of 134855873 is about 512.8101606989.

It can be divided in two parts, 13485 and 5873, that multiplied together give a triangular number (79197405 = T₁₂₅₈₅).

The spelling of 134855873 in words is "one hundred thirty-four million, eight hundred fifty-five thousand, eight hundred seventy-three".