190731121795 has 8 divisors (see below), whose sum is σ = 228888390096. Its totient is φ = 152577534816.

The previous prime is 190731121723. The next prime is 190731121811. The reversal of 190731121795 is 597121137091.

It is a happy number.

190731121795 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 cyclic number.

It is not a de Polignac number, because 190731121795 - 2⁹ = 190731121283 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 805032 + ... + 1014661.

It is an arithmetic number, because the mean of its divisors is an integer number (28611048762).

Almost surely, 2^190731121795 is an apocalyptic number.

190731121795 is a deficient number, since it is larger than the sum of its proper divisors (38157268301).

190731121795 is a wasteful number, since it uses less digits than its factorization.

190731121795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840661.

The product of its (nonzero) digits is 119070, while the sum is 46.

The spelling of 190731121795 in words is "one hundred ninety billion, seven hundred thirty-one million, one hundred twenty-one thousand, seven hundred ninety-five".