192140861 has 12 divisors (see below), whose sum is σ = 211655136. Its totient is φ = 174294120.

The previous prime is 192140857. The next prime is 192140867. The reversal of 192140861 is 168041291.

It is not a de Polignac number, because 192140861 - 2² = 192140857 is a prime.

It is a super-2 number, since 2×192140861² = 73836220931642642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192140867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64736 + ... + 67638.

It is an arithmetic number, because the mean of its divisors is an integer number (17637928).

Almost surely, 2^192140861 is an apocalyptic number.

192140861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

192140861 is a deficient number, since it is larger than the sum of its proper divisors (19514275).

192140861 is a wasteful number, since it uses less digits than its factorization.

192140861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 192140861 is about 13861.4884121439. The cubic root of 192140861 is about 577.0408746889.

The spelling of 192140861 in words is "one hundred ninety-two million, one hundred forty thousand, eight hundred sixty-one".