140202005 has 8 divisors (see below), whose sum is σ = 169275552. Its totient is φ = 111472848.

The previous prime is 140201983. The next prime is 140202017. The reversal of 140202005 is 500202041.

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 140202005 - 2¹² = 140197909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85199 + ... + 86828.

It is an arithmetic number, because the mean of its divisors is an integer number (21159444).

Almost surely, 2^140202005 is an apocalyptic number.

It is an amenable number.

140202005 is a deficient number, since it is larger than the sum of its proper divisors (29073547).

140202005 is a wasteful number, since it uses less digits than its factorization.

140202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172195.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 140202005 is about 11840.6927584496. The cubic root of 140202005 is about 519.4990305868.

Adding to 140202005 its reverse (500202041), we get a palindrome (640404046).

The spelling of 140202005 in words is "one hundred forty million, two hundred two thousand, five".