134742311 has 8 divisors (see below), whose sum is σ = 147237264. Its totient is φ = 122288320.

The previous prime is 134742299. The next prime is 134742317. The reversal of 134742311 is 113247431.

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

It is not a de Polignac number, because 134742311 - 2²² = 130548007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134742317) by changing a digit.

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, 3140 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (18404658).

Almost surely, 2^134742311 is an apocalyptic number.

134742311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134742311 is a deficient number, since it is larger than the sum of its proper divisors (12494953).

134742311 is a wasteful number, since it uses less digits than its factorization.

134742311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481.

The product of its digits is 2016, while the sum is 26.

The square root of 134742311 is about 11607.8555728438. The cubic root of 134742311 is about 512.6661746280. Note that the first 3 decimals are identical.

Adding to 134742311 its reverse (113247431), we get a palindrome (247989742).

The spelling of 134742311 in words is "one hundred thirty-four million, seven hundred forty-two thousand, three hundred eleven".