192140685 has 24 divisors (see below), whose sum is σ = 363321504. Its totient is φ = 93158880.

The previous prime is 192140677. The next prime is 192140687. The reversal of 192140685 is 586041291.

It is not a de Polignac number, because 192140685 - 2³ = 192140677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192140687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193587 + ... + 194576.

It is an arithmetic number, because the mean of its divisors is an integer number (15138396).

Almost surely, 2^192140685 is an apocalyptic number.

192140685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

192140685 is a deficient number, since it is larger than the sum of its proper divisors (171180819).

192140685 is a wasteful number, since it uses less digits than its factorization.

192140685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388185 (or 388182 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 192140685 is about 13861.4820636179. The cubic root of 192140685 is about 577.0406985000.

The spelling of 192140685 in words is "one hundred ninety-two million, one hundred forty thousand, six hundred eighty-five".