2135456522 has 4 divisors (see below), whose sum is σ = 3203184786. Its totient is φ = 1067728260.

The previous prime is 2135456509. The next prime is 2135456537. The reversal of 2135456522 is 2256545312.

It is a Cunningham number, because it is equal to 46211²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2135456521 + 1 = 46211^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533864129 + ... + 533864132.

Almost surely, 2^2135456522 is an apocalyptic number.

2135456522 is a deficient number, since it is larger than the sum of its proper divisors (1067728264).

2135456522 is a wasteful number, since it uses less digits than its factorization.

2135456522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067728263.

The product of its digits is 72000, while the sum is 35.

The square root of 2135456522 is about 46211.0000108199. Note that the first 4 decimals coincide. The cubic root of 2135456522 is about 1287.7461037323.

The spelling of 2135456522 in words is "two billion, one hundred thirty-five million, four hundred fifty-six thousand, five hundred twenty-two".