140502801 has 16 divisors (see below), whose sum is σ = 196881344. Its totient is φ = 89014464.

The previous prime is 140502797. The next prime is 140502809. The reversal of 140502801 is 108205041.

It is not a de Polignac number, because 140502801 - 2² = 140502797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140502809) 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, 9946 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (12305084).

Almost surely, 2^140502801 is an apocalyptic number.

It is an amenable number.

140502801 is a deficient number, since it is larger than the sum of its proper divisors (56378543).

140502801 is a wasteful number, since it uses less digits than its factorization.

140502801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29520.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 140502801 is about 11853.3877435947. The cubic root of 140502801 is about 519.8702844594.

Adding to 140502801 its reverse (108205041), we get a palindrome (248707842).

The spelling of 140502801 in words is "one hundred forty million, five hundred two thousand, eight hundred one".