2135138763 has 8 divisors (see below), whose sum is σ = 2847168576. Its totient is φ = 1423267400.

The previous prime is 2135138743. The next prime is 2135138827. The reversal of 2135138763 is 3678315312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2135138763 - 2¹² = 2135134667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135138713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453 + ... + 65438.

It is an arithmetic number, because the mean of its divisors is an integer number (355896072).

Almost surely, 2^2135138763 is an apocalyptic number.

2135138763 is a deficient number, since it is larger than the sum of its proper divisors (712029813).

2135138763 is a wasteful number, since it uses less digits than its factorization.

2135138763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79225.

The product of its digits is 90720, while the sum is 39.

The square root of 2135138763 is about 46207.5617512978. The cubic root of 2135138763 is about 1287.6822277401.

The spelling of 2135138763 in words is "two billion, one hundred thirty-five million, one hundred thirty-eight thousand, seven hundred sixty-three".