134421002905 has 16 divisors (see below), whose sum is σ = 188635987584. Its totient is φ = 90030810240.

The previous prime is 134421002893. The next prime is 134421002921. The reversal of 134421002905 is 509200124431.

It is not a de Polignac number, because 134421002905 - 2⁹ = 134421002393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44656636 + ... + 44659645.

It is an arithmetic number, because the mean of its divisors is an integer number (11789749224).

Almost surely, 2^134421002905 is an apocalyptic number.

It is an amenable number.

134421002905 is a deficient number, since it is larger than the sum of its proper divisors (54214984679).

134421002905 is an equidigital number, since it uses as much as digits as its factorization.

134421002905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89316336.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 134421002905 in words is "one hundred thirty-four billion, four hundred twenty-one million, two thousand, nine hundred five".