134312008421 has 4 divisors (see below), whose sum is σ = 136588483200. Its totient is φ = 132035533644.

The previous prime is 134312008403. The next prime is 134312008451. The reversal of 134312008421 is 124800213431.

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 134312008421 - 2²⁶ = 134244899557 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 (134312008451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138237301 + ... + 1138237418.

It is an arithmetic number, because the mean of its divisors is an integer number (34147120800).

Almost surely, 2^134312008421 is an apocalyptic number.

It is an amenable number.

134312008421 is a deficient number, since it is larger than the sum of its proper divisors (2276474779).

134312008421 is an equidigital number, since it uses as much as digits as its factorization.

134312008421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276474778.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 134312008421 in words is "one hundred thirty-four billion, three hundred twelve million, eight thousand, four hundred twenty-one".