140528196 has 30 divisors (see below), whose sum is σ = 367369310. Its totient is φ = 46842624.

The previous prime is 140528191. The next prime is 140528203. The reversal of 140528196 is 691825041.

140528196 is a `hidden beast` number, since 1 + 40 + 528 + 1 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94478400 + 46049796 = 9720^2 + 6786^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140528196.

It is not an unprimeable number, because it can be changed into a prime (140528191) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 216541 + ... + 217188.

Almost surely, 2^140528196 is an apocalyptic number.

It is an amenable number.

140528196 is an abundant number, since it is smaller than the sum of its proper divisors (226841114).

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

140528196 is a wasteful number, since it uses less digits than its factorization.

140528196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433745 (or 433734 counting only the distinct ones).

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

The square root of 140528196 is about 11854.4589079384. The cubic root of 140528196 is about 519.9016036702.

The spelling of 140528196 in words is "one hundred forty million, five hundred twenty-eight thousand, one hundred ninety-six".