134354405 has 4 divisors (see below), whose sum is σ = 161225292. Its totient is φ = 107483520.

The previous prime is 134354351. The next prime is 134354503. The reversal of 134354405 is 504453431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504453431 = 619 ⋅814949.

It can be written as a sum of positive squares in 2 ways, for example, as 72982849 + 61371556 = 8543^2 + 7834^2 .

It is not a de Polignac number, because 134354405 - 2²⁰ = 133305829 is a prime.

It is a super-2 number, since 2×134354405² = 36102212285808050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13435436 + ... + 13435445.

It is an arithmetic number, because the mean of its divisors is an integer number (40306323).

Almost surely, 2^134354405 is an apocalyptic number.

It is an amenable number.

134354405 is a deficient number, since it is larger than the sum of its proper divisors (26870887).

134354405 is an equidigital number, since it uses as much as digits as its factorization.

134354405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26870886.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 134354405 is about 11591.1347589440. The cubic root of 134354405 is about 512.1737348333.

The spelling of 134354405 in words is "one hundred thirty-four million, three hundred fifty-four thousand, four hundred five".