134142855423 has 16 divisors (see below), whose sum is σ = 185904276096. Its totient is φ = 85963243680.

The previous prime is 134142855409. The next prime is 134142855443. The reversal of 134142855423 is 324558241431.

It is a happy number.

It is not a de Polignac number, because 134142855423 - 2⁵ = 134142855391 is a prime.

It is a super-2 number, since 2×134142855423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134142855443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7270873 + ... + 7289298.

It is an arithmetic number, because the mean of its divisors is an integer number (11619017256).

Almost surely, 2^134142855423 is an apocalyptic number.

134142855423 is a deficient number, since it is larger than the sum of its proper divisors (51761420673).

134142855423 is a wasteful number, since it uses less digits than its factorization.

134142855423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560294.

The product of its digits is 460800, while the sum is 42.

The spelling of 134142855423 in words is "one hundred thirty-four billion, one hundred forty-two million, eight hundred fifty-five thousand, four hundred twenty-three".