140433992 has 8 divisors (see below), whose sum is σ = 263313750. Its totient is φ = 70216992.

The previous prime is 140433989. The next prime is 140434013. The reversal of 140433992 is 299334041.

It can be written as a sum of positive squares in only one way, i.e., 140327716 + 106276 = 11846^2 + 326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×140433992² = 39443412218112128, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8777117 + ... + 8777132.

Almost surely, 2^140433992 is an apocalyptic number.

It is an amenable number.

140433992 is a deficient number, since it is larger than the sum of its proper divisors (122879758).

140433992 is a wasteful number, since it uses less digits than its factorization.

140433992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17554255 (or 17554251 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 140433992 is about 11850.4848845944. The cubic root of 140433992 is about 519.7854045488.

The spelling of 140433992 in words is "one hundred forty million, four hundred thirty-three thousand, nine hundred ninety-two".