1135431135 has 32 divisors (see below), whose sum is σ = 2027263680. Its totient is φ = 602947584.

The previous prime is 1135431131. The next prime is 1135431149. The reversal of 1135431135 is 5311345311.

It is a happy number.

1135431135 is a `hidden beast` number, since 1 + 1 + 3 + 543 + 113 + 5 = 666.

It is not a de Polignac number, because 1135431135 - 2² = 1135431131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1135431099 and 1135431108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135431131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13407 + ... + 49503.

It is an arithmetic number, because the mean of its divisors is an integer number (63351990).

Almost surely, 2^1135431135 is an apocalyptic number.

1135431135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1135431135 is a deficient number, since it is larger than the sum of its proper divisors (891832545).

1135431135 is a wasteful number, since it uses less digits than its factorization.

1135431135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36344 (or 36338 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1135431135 is about 33696.1590541118. The cubic root of 1135431135 is about 1043.2464918913.

Adding to 1135431135 its reverse (5311345311), we get a palindrome (6446776446).

The spelling of 1135431135 in words is "one billion, one hundred thirty-five million, four hundred thirty-one thousand, one hundred thirty-five".