140128192 has 28 divisors (see below), whose sum is σ = 292704520. Its totient is φ = 66375936.

The previous prime is 140128189. The next prime is 140128193. The reversal of 140128192 is 291821041.

It is a self number, because there is not a number n which added to its sum of digits gives 140128192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140128193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56403 + ... + 58834.

Almost surely, 2^140128192 is an apocalyptic number.

It is an amenable number.

140128192 is an abundant number, since it is smaller than the sum of its proper divisors (152576328).

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

140128192 is a wasteful number, since it uses less digits than its factorization.

140128192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115268 (or 115258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 140128192 is about 11837.5754274260. The cubic root of 140128192 is about 519.4078466476.

The spelling of 140128192 in words is "one hundred forty million, one hundred twenty-eight thousand, one hundred ninety-two".