134145505 has 8 divisors (see below), whose sum is σ = 173357352. Its totient is φ = 99061248.

The previous prime is 134145493. The next prime is 134145523. The reversal of 134145505 is 505541431.

It can be written as a sum of positive squares in 4 ways, for example, as 29778849 + 104366656 = 5457^2 + 10216^2 .

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

It is not a de Polignac number, because 134145505 - 2¹³ = 134137313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031824 + ... + 1031953.

It is an arithmetic number, because the mean of its divisors is an integer number (21669669).

Almost surely, 2^134145505 is an apocalyptic number.

It is an amenable number.

134145505 is a deficient number, since it is larger than the sum of its proper divisors (39211847).

134145505 is a wasteful number, since it uses less digits than its factorization.

134145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063795.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 134145505 is about 11582.1200563627. The cubic root of 134145505 is about 511.9081472291.

Adding to 134145505 its reverse (505541431), we get a palindrome (639686936).

The spelling of 134145505 in words is "one hundred thirty-four million, one hundred forty-five thousand, five hundred five".