2131877236 has 12 divisors (see below), whose sum is σ = 3731456512. Its totient is φ = 1065746808.

The previous prime is 2131877233. The next prime is 2131877243. The reversal of 2131877236 is 6327781312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131877233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21300 + ... + 68683.

Almost surely, 2^2131877236 is an apocalyptic number.

It is an amenable number.

2131877236 is a deficient number, since it is larger than the sum of its proper divisors (1599579276).

2131877236 is a wasteful number, since it uses less digits than its factorization.

2131877236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95910 (or 95908 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 2131877236 is about 46172.2561285454. The cubic root of 2131877236 is about 1287.0262281219.

The spelling of 2131877236 in words is "two billion, one hundred thirty-one million, eight hundred seventy-seven thousand, two hundred thirty-six".