2140338878 has 8 divisors (see below), whose sum is σ = 3255726960. Its totient is φ = 1055096560.

The previous prime is 2140338877. The next prime is 2140338883. The reversal of 2140338878 is 8788330412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140338877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536263 + ... + 7536546.

It is an arithmetic number, because the mean of its divisors is an integer number (406965870).

Almost surely, 2^2140338878 is an apocalyptic number.

2140338878 is a deficient number, since it is larger than the sum of its proper divisors (1115388082).

2140338878 is a wasteful number, since it uses less digits than its factorization.

2140338878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072882.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 2140338878 is about 46263.7966232777. The cubic root of 2140338878 is about 1288.7267604624.

The spelling of 2140338878 in words is "two billion, one hundred forty million, three hundred thirty-eight thousand, eight hundred seventy-eight".