2131755267 has 8 divisors (see below), whose sum is σ = 2843383824. Its totient is φ = 1420648448.

The previous prime is 2131755247. The next prime is 2131755319. The reversal of 2131755267 is 7625571312.

It is a happy number.

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 2131755267 - 2²⁰ = 2130706691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131755247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120798 + ... + 137315.

It is an arithmetic number, because the mean of its divisors is an integer number (355422978).

Almost surely, 2^2131755267 is an apocalyptic number.

2131755267 is a deficient number, since it is larger than the sum of its proper divisors (711628557).

2131755267 is a wasteful number, since it uses less digits than its factorization.

2131755267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260869.

The product of its digits is 88200, while the sum is 39.

The square root of 2131755267 is about 46170.9353056661. The cubic root of 2131755267 is about 1287.0016831976.

The spelling of 2131755267 in words is "two billion, one hundred thirty-one million, seven hundred fifty-five thousand, two hundred sixty-seven".