134739505 has 8 divisors (see below), whose sum is σ = 163118952. Its totient is φ = 106837248.

The previous prime is 134739491. The next prime is 134739509. The reversal of 134739505 is 505937431.

It can be written as a sum of positive squares in 4 ways, for example, as 3888784 + 130850721 = 1972^2 + 11439^2 .

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 134739505 - 2¹¹ = 134737457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134739509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118674 + ... + 119803.

It is an arithmetic number, because the mean of its divisors is an integer number (20389869).

Almost surely, 2^134739505 is an apocalyptic number.

It is an amenable number.

134739505 is a deficient number, since it is larger than the sum of its proper divisors (28379447).

134739505 is a wasteful number, since it uses less digits than its factorization.

134739505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238595.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 134739505 is about 11607.7347057899. The cubic root of 134739505 is about 512.6626158565.

The spelling of 134739505 in words is "one hundred thirty-four million, seven hundred thirty-nine thousand, five hundred five".