2135500401 has 4 divisors (see below), whose sum is σ = 2847333872. Its totient is φ = 1423666932.

The previous prime is 2135500391. The next prime is 2135500427. The reversal of 2135500401 is 1040055312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2135500401 - 2⁶ = 2135500337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135500501) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 355916731 + ... + 355916736.

It is an arithmetic number, because the mean of its divisors is an integer number (711833468).

Almost surely, 2^2135500401 is an apocalyptic number.

It is an amenable number.

2135500401 is a deficient number, since it is larger than the sum of its proper divisors (711833471).

2135500401 is an equidigital number, since it uses as much as digits as its factorization.

2135500401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711833470.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2135500401 is about 46211.4747762934. The cubic root of 2135500401 is about 1287.7549238017.

Adding to 2135500401 its reverse (1040055312), we get a palindrome (3175555713).

The spelling of 2135500401 in words is "two billion, one hundred thirty-five million, five hundred thousand, four hundred one".