190140888769 has 8 divisors (see below), whose sum is σ = 204774039680. Its totient is φ = 175508727696.

The previous prime is 190140888761. The next prime is 190140888779. The reversal of 190140888769 is 967888041091.

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 190140888769 - 2³ = 190140888761 is a prime.

It is a super-3 number, since 3×190140888769³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190140888761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178702 + ... + 642040.

It is an arithmetic number, because the mean of its divisors is an integer number (25596754960).

Almost surely, 2^190140888769 is an apocalyptic number.

It is an amenable number.

190140888769 is a deficient number, since it is larger than the sum of its proper divisors (14633150911).

190140888769 is a wasteful number, since it uses less digits than its factorization.

190140888769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494919.

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 190140888769 in words is "one hundred ninety billion, one hundred forty million, eight hundred eighty-eight thousand, seven hundred sixty-nine".