135504311 has 4 divisors (see below), whose sum is σ = 135553152. Its totient is φ = 135455472.

The previous prime is 135504307. The next prime is 135504349. The reversal of 135504311 is 113405531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135504311 - 2² = 135504307 is a prime.

It is a super-2 number, since 2×135504311² = 36722836599169442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135504361) 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 3 ways as a sum of consecutive naturals, for example, 19991 + ... + 25896.

It is an arithmetic number, because the mean of its divisors is an integer number (33888288).

Almost surely, 2^135504311 is an apocalyptic number.

135504311 is a deficient number, since it is larger than the sum of its proper divisors (48841).

135504311 is an equidigital number, since it uses as much as digits as its factorization.

135504311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48840.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 135504311 is about 11640.6318986557. The cubic root of 135504311 is about 513.6307751747.

Adding to 135504311 its reverse (113405531), we get a palindrome (248909842).

The spelling of 135504311 in words is "one hundred thirty-five million, five hundred four thousand, three hundred eleven".