2138760927 has 12 divisors (see below), whose sum is σ = 3089870160. Its totient is φ = 1425587328.

The previous prime is 2138760919. The next prime is 2138760931. The reversal of 2138760927 is 7290678312.

2138760927 is a `hidden beast` number, since 2 + 1 + 38 + 7 + 609 + 2 + 7 = 666.

It is not a de Polignac number, because 2138760927 - 2³ = 2138760919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138760977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42438 + ... + 77964.

It is an arithmetic number, because the mean of its divisors is an integer number (257489180).

Almost surely, 2^2138760927 is an apocalyptic number.

2138760927 is a deficient number, since it is larger than the sum of its proper divisors (951109233).

2138760927 is a wasteful number, since it uses less digits than its factorization.

2138760927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42222 (or 42219 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 2138760927 is about 46246.7396364328. The cubic root of 2138760927 is about 1288.4099807776.

The spelling of 2138760927 in words is "two billion, one hundred thirty-eight million, seven hundred sixty thousand, nine hundred twenty-seven".