134421931529 has 4 divisors (see below), whose sum is σ = 134486342784. Its totient is φ = 134357520276.

The previous prime is 134421931459. The next prime is 134421931543. The reversal of 134421931529 is 925139124431.

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 134421931529 - 2³⁶ = 65702454793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134421931529.

It is not an unprimeable number, because it can be changed into a prime (134421931729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32202497 + ... + 32206670.

It is an arithmetic number, because the mean of its divisors is an integer number (33621585696).

Almost surely, 2^134421931529 is an apocalyptic number.

It is an amenable number.

134421931529 is a deficient number, since it is larger than the sum of its proper divisors (64411255).

134421931529 is an equidigital number, since it uses as much as digits as its factorization.

134421931529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64411254.

The product of its digits is 233280, while the sum is 44.

The spelling of 134421931529 in words is "one hundred thirty-four billion, four hundred twenty-one million, nine hundred thirty-one thousand, five hundred twenty-nine".