2135342551 has 4 divisors (see below), whose sum is σ = 2135435104. Its totient is φ = 2135250000.

The previous prime is 2135342549. The next prime is 2135342593. The reversal of 2135342551 is 1552435312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2135342551 - 2¹ = 2135342549 is a prime.

It is a super-2 number, since 2×2135342551² = 9119375620222375202, 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 (2135342501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19426 + ... + 68176.

It is an arithmetic number, because the mean of its divisors is an integer number (533858776).

Almost surely, 2^2135342551 is an apocalyptic number.

2135342551 is a deficient number, since it is larger than the sum of its proper divisors (92553).

2135342551 is an equidigital number, since it uses as much as digits as its factorization.

2135342551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92552.

The product of its digits is 18000, while the sum is 31.

The square root of 2135342551 is about 46209.7668355944. The cubic root of 2135342551 is about 1287.7231939827.

Adding to 2135342551 its reverse (1552435312), we get a palindrome (3687777863).

The spelling of 2135342551 in words is "two billion, one hundred thirty-five million, three hundred forty-two thousand, five hundred fifty-one".