2639140054 has 8 divisors (see below), whose sum is σ = 3959644248. Its totient is φ = 1319258640.

The previous prime is 2639140043. The next prime is 2639140067. The reversal of 2639140054 is 4500419362.

It is a happy number.

2639140054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144952 + ... + 162139.

It is an arithmetic number, because the mean of its divisors is an integer number (494955531).

Almost surely, 2^2639140054 is an apocalyptic number.

2639140054 is a deficient number, since it is larger than the sum of its proper divisors (1320504194).

2639140054 is a wasteful number, since it uses less digits than its factorization.

2639140054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311390.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2639140054 is about 51372.5612949170. The cubic root of 2639140054 is about 1381.9345642807.

The spelling of 2639140054 in words is "two billion, six hundred thirty-nine million, one hundred forty thousand, fifty-four".