140387384206 has 4 divisors (see below), whose sum is σ = 210581076312. Its totient is φ = 70193692102.

The previous prime is 140387384197. The next prime is 140387384209. The reversal of 140387384206 is 602483783041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140387384209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35096846050 + ... + 35096846053.

It is an arithmetic number, because the mean of its divisors is an integer number (52645269078).

Almost surely, 2^140387384206 is an apocalyptic number.

140387384206 is a deficient number, since it is larger than the sum of its proper divisors (70193692106).

140387384206 is an equidigital number, since it uses as much as digits as its factorization.

140387384206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70193692105.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 140387384206 in words is "one hundred forty billion, three hundred eighty-seven million, three hundred eighty-four thousand, two hundred six".