2140645354 has 8 divisors (see below), whose sum is σ = 3211532928. Its totient is φ = 1070134380.

The previous prime is 2140645349. The next prime is 2140645363. The reversal of 2140645354 is 4535460412.

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

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, 79482 + ... + 102949.

It is an arithmetic number, because the mean of its divisors is an integer number (401441616).

Almost surely, 2^2140645354 is an apocalyptic number.

2140645354 is a deficient number, since it is larger than the sum of its proper divisors (1070887574).

2140645354 is a wasteful number, since it uses less digits than its factorization.

2140645354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188300.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2140645354 is about 46267.1087707023. The cubic root of 2140645354 is about 1288.7882686308.

The spelling of 2140645354 in words is "two billion, one hundred forty million, six hundred forty-five thousand, three hundred fifty-four".