140075999 has 16 divisors (see below), whose sum is σ = 169747200. Its totient is φ = 112912704.

The previous prime is 140075993. The next prime is 140076019. The reversal of 140075999 is 999570041.

It is a cyclic number.

It is not a de Polignac number, because 140075999 - 2⁸ = 140075743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140075993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (10609200).

Almost surely, 2^140075999 is an apocalyptic number.

140075999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140075999 is a deficient number, since it is larger than the sum of its proper divisors (29671201).

140075999 is a wasteful number, since it uses less digits than its factorization.

140075999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 140075999 is about 11835.3706743811. The cubic root of 140075999 is about 519.3433513693.

The spelling of 140075999 in words is "one hundred forty million, seventy-five thousand, nine hundred ninety-nine".