2139827700 has 72 divisors (see below), whose sum is σ = 6390979840. Its totient is φ = 552211200.

The previous prime is 2139827693. The next prime is 2139827707. The reversal of 2139827700 is 77289312.

It is an interprime number because it is at equal distance from previous prime (2139827693) and next prime (2139827707).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139827707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105745 + ... + 124344.

Almost surely, 2^2139827700 is an apocalyptic number.

2139827700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139827700 is an abundant number, since it is smaller than the sum of its proper divisors (4251152140).

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

2139827700 is a wasteful number, since it uses less digits than its factorization.

2139827700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230137 (or 230130 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2139827700 is about 46258.2716927470. The cubic root of 2139827700 is about 1288.6241565825.

The spelling of 2139827700 in words is "two billion, one hundred thirty-nine million, eight hundred twenty-seven thousand, seven hundred".