1155434135 has 8 divisors (see below), whose sum is σ = 1416021696. Its totient is φ = 904680160.

The previous prime is 1155434083. The next prime is 1155434149. The reversal of 1155434135 is 5314345511.

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

It is not a de Polignac number, because 1155434135 - 2¹⁴ = 1155417751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458136 + ... + 2458605.

It is an arithmetic number, because the mean of its divisors is an integer number (177002712).

Almost surely, 2^1155434135 is an apocalyptic number.

1155434135 is a deficient number, since it is larger than the sum of its proper divisors (260587561).

1155434135 is an equidigital number, since it uses as much as digits as its factorization.

1155434135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916793.

The product of its digits is 18000, while the sum is 32.

The square root of 1155434135 is about 33991.6774372787. The cubic root of 1155434135 is about 1049.3371886430.

Adding to 1155434135 its reverse (5314345511), we get a palindrome (6469779646).

The spelling of 1155434135 in words is "one billion, one hundred fifty-five million, four hundred thirty-four thousand, one hundred thirty-five".