134021310423 has 128 divisors (see below), whose sum is σ = 252150226944. Its totient is φ = 61072704000.

The previous prime is 134021310391. The next prime is 134021310427. The reversal of 134021310423 is 324013120431.

It is a happy number.

It is not a de Polignac number, because 134021310423 - 2⁵ = 134021310391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134021310393 and 134021310402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134021310427) 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 127 ways as a sum of consecutive naturals, for example, 4763748 + ... + 4791798.

It is an arithmetic number, because the mean of its divisors is an integer number (1969923648).

Almost surely, 2^134021310423 is an apocalyptic number.

134021310423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134021310423 is a deficient number, since it is larger than the sum of its proper divisors (118128916521).

134021310423 is a wasteful number, since it uses less digits than its factorization.

134021310423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28165.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 134021310423 its reverse (324013120431), we get a palindrome (458034430854).

It can be divided in two parts, 134021 and 310423, that added together give a palindrome (444444).

The spelling of 134021310423 in words is "one hundred thirty-four billion, twenty-one million, three hundred ten thousand, four hundred twenty-three".