2140643054 has 16 divisors (see below), whose sum is σ = 3504159360. Its totient is φ = 972661560.

The previous prime is 2140643047. The next prime is 2140643101. The reversal of 2140643054 is 4503460412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48767 + ... + 81605.

It is an arithmetic number, because the mean of its divisors is an integer number (219009960).

Almost surely, 2^2140643054 is an apocalyptic number.

2140643054 is a deficient number, since it is larger than the sum of its proper divisors (1363516306).

2140643054 is a wasteful number, since it uses less digits than its factorization.

2140643054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35815.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2140643054 is about 46267.0839150254. The cubic root of 2140643054 is about 1288.7878070544.

The spelling of 2140643054 in words is "two billion, one hundred forty million, six hundred forty-three thousand, fifty-four".