2135312501 has 16 divisors (see below), whose sum is σ = 2455578240. Its totient is φ = 1818884160.

The previous prime is 2135312497. The next prime is 2135312521. The reversal of 2135312501 is 1052135312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2135312501 - 2² = 2135312497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135312521) 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 15 ways as a sum of consecutive naturals, for example, 1316471 + ... + 1318091.

It is an arithmetic number, because the mean of its divisors is an integer number (153473640).

Almost surely, 2^2135312501 is an apocalyptic number.

It is an amenable number.

2135312501 is a deficient number, since it is larger than the sum of its proper divisors (320265739).

2135312501 is a wasteful number, since it uses less digits than its factorization.

2135312501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2135312501 is about 46209.4416867376. The cubic root of 2135312501 is about 1287.7171533807.

Adding to 2135312501 its reverse (1052135312), we get a palindrome (3187447813).

The spelling of 2135312501 in words is "two billion, one hundred thirty-five million, three hundred twelve thousand, five hundred one".