2140734655 has 16 divisors (see below), whose sum is σ = 2711380320. Its totient is φ = 1618075008.

The previous prime is 2140734649. The next prime is 2140734679. The reversal of 2140734655 is 5564370412.

It is a cyclic number.

It is not a de Polignac number, because 2140734655 - 2⁷ = 2140734527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5229 + ... + 65641.

It is an arithmetic number, because the mean of its divisors is an integer number (169461270).

Almost surely, 2^2140734655 is an apocalyptic number.

2140734655 is a deficient number, since it is larger than the sum of its proper divisors (570645665).

2140734655 is a wasteful number, since it uses less digits than its factorization.

2140734655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60810.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2140734655 is about 46268.0738198598. The cubic root of 2140734655 is about 1288.8061897810.

The spelling of 2140734655 in words is "two billion, one hundred forty million, seven hundred thirty-four thousand, six hundred fifty-five".