2135726376331 has 4 divisors (see below), whose sum is σ = 2135912637592. Its totient is φ = 2135540115072.

The previous prime is 2135726376313. The next prime is 2135726376361. The reversal of 2135726376331 is 1336736275312.

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

It is a cyclic number.

It is not a de Polignac number, because 2135726376331 - 2²¹ = 2135724279179 is a prime.

It is a super-2 number, since 2×2135726376331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135726376361) 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, 93113430 + ... + 93136363.

It is an arithmetic number, because the mean of its divisors is an integer number (533978159398).

Almost surely, 2^{2135726376331} is an apocalyptic number.

2135726376331 is a deficient number, since it is larger than the sum of its proper divisors (186261261).

2135726376331 is a wasteful number, since it uses less digits than its factorization.

2135726376331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186261260.

The product of its digits is 2857680, while the sum is 49.

The spelling of 2135726376331 in words is "two trillion, one hundred thirty-five billion, seven hundred twenty-six million, three hundred seventy-six thousand, three hundred thirty-one".