1311455135 has 8 divisors (see below), whose sum is σ = 1582539120. Its totient is φ = 1043302144.

The previous prime is 1311455113. The next prime is 1311455141. The reversal of 1311455135 is 5315541131.

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 1311455135 - 2⁶ = 1311455071 is a prime.

It is a super-2 number, since 2×1311455135² = 3439829142235736450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311455098 and 1311455107.

It is a congruent 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, 731762 + ... + 733551.

It is an arithmetic number, because the mean of its divisors is an integer number (197817390).

Almost surely, 2^1311455135 is an apocalyptic number.

1311455135 is a deficient number, since it is larger than the sum of its proper divisors (271083985).

1311455135 is a wasteful number, since it uses less digits than its factorization.

1311455135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465497.

The product of its digits is 4500, while the sum is 29.

The square root of 1311455135 is about 36214.0184873206. The cubic root of 1311455135 is about 1094.5891677590.

Adding to 1311455135 its reverse (5315541131), we get a palindrome (6626996266).

The spelling of 1311455135 in words is "one billion, three hundred eleven million, four hundred fifty-five thousand, one hundred thirty-five".