134511511 has 12 divisors (see below), whose sum is σ = 140554560. Its totient is φ = 128593440.

The previous prime is 134511493. The next prime is 134511523. The reversal of 134511511 is 115115431.

It is not a de Polignac number, because 134511511 - 2¹³ = 134503319 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 (134511581) 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 11 ways as a sum of consecutive naturals, for example, 328675 + ... + 329083.

It is an arithmetic number, because the mean of its divisors is an integer number (11712880).

Almost surely, 2^134511511 is an apocalyptic number.

134511511 is a deficient number, since it is larger than the sum of its proper divisors (6043049).

134511511 is an equidigital number, since it uses as much as digits as its factorization.

134511511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 543 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 134511511 is about 11597.9097685747. The cubic root of 134511511 is about 512.3732921739.

Adding to 134511511 its reverse (115115431), we get a palindrome (249626942).

The spelling of 134511511 in words is "one hundred thirty-four million, five hundred eleven thousand, five hundred eleven".