2140193798 has 8 divisors (see below), whose sum is σ = 3210613608. Its totient is φ = 1069989264.

The previous prime is 2140193743. The next prime is 2140193873. The reversal of 2140193798 is 8973910412.

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

It is a Curzon number.

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, 26111 + ... + 70442.

It is an arithmetic number, because the mean of its divisors is an integer number (401326701).

Almost surely, 2^2140193798 is an apocalyptic number.

2140193798 is a deficient number, since it is larger than the sum of its proper divisors (1070419810).

2140193798 is a wasteful number, since it uses less digits than its factorization.

2140193798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107638.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 2140193798 is about 46262.2286320060. The cubic root of 2140193798 is about 1288.6976415995.

The spelling of 2140193798 in words is "two billion, one hundred forty million, one hundred ninety-three thousand, seven hundred ninety-eight".