134859023 has 4 divisors (see below), whose sum is σ = 145232808. Its totient is φ = 124485240.

The previous prime is 134859001. The next prime is 134859031. The reversal of 134859023 is 320958431.

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

It is a cyclic number.

It is not a de Polignac number, because 134859023 - 2¹⁸ = 134596879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134859523) 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, 5186873 + ... + 5186898.

It is an arithmetic number, because the mean of its divisors is an integer number (36308202).

Almost surely, 2^134859023 is an apocalyptic number.

134859023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134859023 is a deficient number, since it is larger than the sum of its proper divisors (10373785).

134859023 is a wasteful number, since it uses less digits than its factorization.

134859023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373784.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 134859023 is about 11612.8817698278. The cubic root of 134859023 is about 512.8141534540.

The spelling of 134859023 in words is "one hundred thirty-four million, eight hundred fifty-nine thousand, twenty-three".