140230420205 has 32 divisors (see below), whose sum is σ = 174560811264. Its totient is φ = 108087556096.

The previous prime is 140230420153. The next prime is 140230420219. The reversal of 140230420205 is 502024032041.

It is a happy number.

It is not a de Polignac number, because 140230420205 - 2¹⁶ = 140230354669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3654077 + ... + 3692253.

It is an arithmetic number, because the mean of its divisors is an integer number (5455025352).

Almost surely, 2^140230420205 is an apocalyptic number.

It is an amenable number.

140230420205 is a deficient number, since it is larger than the sum of its proper divisors (34330391059).

140230420205 is a wasteful number, since it uses less digits than its factorization.

140230420205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38485.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 140230420205 its reverse (502024032041), we get a palindrome (642254452246).

The spelling of 140230420205 in words is "one hundred forty billion, two hundred thirty million, four hundred twenty thousand, two hundred five".