2138872300 has 18 divisors (see below), whose sum is σ = 4641353108. Its totient is φ = 855548880.

The previous prime is 2138872291. The next prime is 2138872301. The reversal of 2138872300 is 32788312.

It is not an unprimeable number, because it can be changed into a prime (2138872301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10694262 + ... + 10694461.

Almost surely, 2^2138872300 is an apocalyptic number.

2138872300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2138872300 is an abundant number, since it is smaller than the sum of its proper divisors (2502480808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2138872300 is a wasteful number, since it uses less digits than its factorization.

2138872300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388737 (or 21388730 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2138872300 is about 46247.9437380734. The cubic root of 2138872300 is about 1288.4323444419.

The spelling of 2138872300 in words is "two billion, one hundred thirty-eight million, eight hundred seventy-two thousand, three hundred".