2138487286 has 16 divisors (see below), whose sum is σ = 3463111008. Its totient is φ = 984528000.

The previous prime is 2138487203. The next prime is 2138487311. The reversal of 2138487286 is 6827848312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92130 + ... + 112981.

It is an arithmetic number, because the mean of its divisors is an integer number (216444438).

Almost surely, 2^2138487286 is an apocalyptic number.

2138487286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2138487286 is a deficient number, since it is larger than the sum of its proper divisors (1324623722).

2138487286 is a wasteful number, since it uses less digits than its factorization.

2138487286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205527.

The product of its digits is 1032192, while the sum is 49.

The square root of 2138487286 is about 46243.7810521588. The cubic root of 2138487286 is about 1288.3550304513.

The spelling of 2138487286 in words is "two billion, one hundred thirty-eight million, four hundred eighty-seven thousand, two hundred eighty-six".