134746405 has 8 divisors (see below), whose sum is σ = 164746872. Its totient is φ = 105763008.

The previous prime is 134746387. The next prime is 134746411. The reversal of 134746405 is 504647431.

It can be written as a sum of positive squares in 4 ways, for example, as 12489156 + 122257249 = 3534^2 + 11057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134746405 - 2²³ = 126357797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253974 + ... + 254503.

It is an arithmetic number, because the mean of its divisors is an integer number (20593359).

Almost surely, 2^134746405 is an apocalyptic number.

It is an amenable number.

134746405 is a deficient number, since it is larger than the sum of its proper divisors (30000467).

134746405 is an equidigital number, since it uses as much as digits as its factorization.

134746405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508535.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 134746405 is about 11608.0319175991. The cubic root of 134746405 is about 512.6713668452.

The spelling of 134746405 in words is "one hundred thirty-four million, seven hundred forty-six thousand, four hundred five".