134942029823 has 8 divisors (see below), whose sum is σ = 135132375168. Its totient is φ = 134751738784.

The previous prime is 134942029813. The next prime is 134942029829. The reversal of 134942029823 is 328920249431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134942029823 - 2⁶ = 134942029759 is a prime.

It is a super-2 number, since 2×134942029823² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134942029829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8833490 + ... + 8848752.

It is an arithmetic number, because the mean of its divisors is an integer number (16891546896).

Almost surely, 2^134942029823 is an apocalyptic number.

134942029823 is a deficient number, since it is larger than the sum of its proper divisors (190345345).

134942029823 is a wasteful number, since it uses less digits than its factorization.

134942029823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27153.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 134942029823 in words is "one hundred thirty-four billion, nine hundred forty-two million, twenty-nine thousand, eight hundred twenty-three".