140192688 has 30 divisors (see below), whose sum is σ = 362376484. Its totient is φ = 46703552.

The previous prime is 140192687. The next prime is 140192707. The reversal of 140192688 is 886291041.

140192688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140192683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81178 + ... + 82886.

Almost surely, 2^140192688 is an apocalyptic number.

It is an amenable number.

140192688 is an abundant number, since it is smaller than the sum of its proper divisors (222183796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140192688 is an frugal number, since it uses more digits than its factorization.

140192688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 140192688 is about 11840.2993205408. The cubic root of 140192688 is about 519.4875227159.

Multiplying 140192688 by its product of nonzero digits (27648), we get a square (3876047437824 = 1968768²).

The spelling of 140192688 in words is "one hundred forty million, one hundred ninety-two thousand, six hundred eighty-eight".