134323354405 has 4 divisors (see below), whose sum is σ = 161188025292. Its totient is φ = 107458683520.

The previous prime is 134323354369. The next prime is 134323354409. The reversal of 134323354405 is 504453323431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504453323431 = 3061 ⋅164800171.

It can be written as a sum of positive squares in 2 ways, for example, as 98024721921 + 36298632484 = 313089^2 + 190522^2 .

It is not a de Polignac number, because 134323354405 - 2¹¹ = 134323352357 is a prime.

It is a super-2 number, since 2×134323354405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134323354409) 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, 13432335436 + ... + 13432335445.

It is an arithmetic number, because the mean of its divisors is an integer number (40297006323).

Almost surely, 2^134323354405 is an apocalyptic number.

It is an amenable number.

134323354405 is a deficient number, since it is larger than the sum of its proper divisors (26864670887).

134323354405 is an equidigital number, since it uses as much as digits as its factorization.

134323354405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26864670886.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 134323354405 its reverse (504453323431), we get a palindrome (638776677836).

The spelling of 134323354405 in words is "one hundred thirty-four billion, three hundred twenty-three million, three hundred fifty-four thousand, four hundred five".