140205001 has 8 divisors (see below), whose sum is σ = 148600224. Its totient is φ = 131826240.

The previous prime is 140204969. The next prime is 140205007. The reversal of 140205001 is 100502041.

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 140205001 - 2⁵ = 140204969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140205007) 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, 16386 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (18575028).

Almost surely, 2^140205001 is an apocalyptic number.

It is an amenable number.

140205001 is a deficient number, since it is larger than the sum of its proper divisors (8395223).

140205001 is a wasteful number, since it uses less digits than its factorization.

140205001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 140205001 is about 11840.8192706417. The cubic root of 140205001 is about 519.5027309808.

Adding to 140205001 its reverse (100502041), we get a palindrome (240707042).

The spelling of 140205001 in words is "one hundred forty million, two hundred five thousand, one".