2135150040013 has 4 divisors (see below), whose sum is σ = 2136462364960. Its totient is φ = 2133837715068.

The previous prime is 2135150040007. The next prime is 2135150040019. The reversal of 2135150040013 is 3100400515312.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (2135150040007) and next prime (2135150040019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135150040013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135150040013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135150040019) 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, 656160033 + ... + 656163286.

It is an arithmetic number, because the mean of its divisors is an integer number (534115591240).

Almost surely, 2^{2135150040013} is an apocalyptic number.

It is an amenable number.

2135150040013 is a deficient number, since it is larger than the sum of its proper divisors (1312324947).

2135150040013 is a wasteful number, since it uses less digits than its factorization.

2135150040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312324946.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 2135150040013 its reverse (3100400515312), we get a palindrome (5235550555325).

The spelling of 2135150040013 in words is "two trillion, one hundred thirty-five billion, one hundred fifty million, forty thousand, thirteen".