140995999 has 8 divisors (see below), whose sum is σ = 147364560. Its totient is φ = 134727936.

The previous prime is 140995993. The next prime is 140996033. The reversal of 140995999 is 999599041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140995999 - 2³ = 140995991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140995991) 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 7 ways as a sum of consecutive naturals, for example, 22249 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (18420570).

Almost surely, 2^140995999 is an apocalyptic number.

140995999 is a deficient number, since it is larger than the sum of its proper divisors (6368561).

140995999 is an equidigital number, since it uses as much as digits as its factorization.

140995999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50249.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The square root of 140995999 is about 11874.1736133510. The cubic root of 140995999 is about 520.4778632394.

The spelling of 140995999 in words is "one hundred forty million, nine hundred ninety-five thousand, nine hundred ninety-nine".