134431128433905 has 16 divisors (see below), whose sum is σ = 215124436106304. Its totient is φ = 71685058294080.

The previous prime is 134431128433853. The next prime is 134431128433919. The reversal of 134431128433905 is 509334821134431.

It is not a de Polignac number, because 134431128433905 - 2¹¹ = 134431128431857 is a prime.

It is a super-2 number, since 2×134431128433905² (a number of 29 digits) contains 22 as substring.

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, 721374814 + ... + 721561143.

It is an arithmetic number, because the mean of its divisors is an integer number (13445277256644).

Almost surely, 2^{134431128433905} is an apocalyptic number.

134431128433905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134431128433905 is a deficient number, since it is larger than the sum of its proper divisors (80693307672399).

134431128433905 is a wasteful number, since it uses less digits than its factorization.

134431128433905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442942176.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 134431128433905 in words is "one hundred thirty-four trillion, four hundred thirty-one billion, one hundred twenty-eight million, four hundred thirty-three thousand, nine hundred five".