2155334135 has 4 divisors (see below), whose sum is σ = 2586400968. Its totient is φ = 1724267304.

The previous prime is 2155334099. The next prime is 2155334173. The reversal of 2155334135 is 5314335512.

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 2155334135 - 2¹² = 2155330039 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 3 ways as a sum of consecutive naturals, for example, 215533409 + ... + 215533418.

It is an arithmetic number, because the mean of its divisors is an integer number (646600242).

Almost surely, 2^2155334135 is an apocalyptic number.

2155334135 is a deficient number, since it is larger than the sum of its proper divisors (431066833).

2155334135 is an equidigital number, since it uses as much as digits as its factorization.

2155334135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431066832.

The product of its digits is 27000, while the sum is 32.

The square root of 2155334135 is about 46425.5763022927. The cubic root of 2155334135 is about 1291.7293743727.

Adding to 2155334135 its reverse (5314335512), we get a palindrome (7469669647).

The spelling of 2155334135 in words is "two billion, one hundred fifty-five million, three hundred thirty-four thousand, one hundred thirty-five".