140139699 has 8 divisors (see below), whose sum is σ = 213546240. Its totient is φ = 80079816.

The previous prime is 140139647. The next prime is 140139731. The reversal of 140139699 is 996931041.

140139699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140139699 - 2¹¹ = 140137651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140139699.

It is not an unprimeable number, because it can be changed into a prime (140139799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336639 + ... + 3336680.

It is an arithmetic number, because the mean of its divisors is an integer number (26693280).

Almost surely, 2^140139699 is an apocalyptic number.

140139699 is a deficient number, since it is larger than the sum of its proper divisors (73406541).

140139699 is an equidigital number, since it uses as much as digits as its factorization.

140139699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673329.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 140139699 is about 11838.0614544781. The cubic root of 140139699 is about 519.4220637784.

The spelling of 140139699 in words is "one hundred forty million, one hundred thirty-nine thousand, six hundred ninety-nine".