140425205 has 8 divisors (see below), whose sum is σ = 172620504. Its totient is φ = 109600000.

The previous prime is 140425183. The next prime is 140425211. The reversal of 140425205 is 502524041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2292196 + 138133009 = 1514^2 + 11753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140425205 - 2¹⁰ = 140424181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342296 + ... + 342705.

It is an arithmetic number, because the mean of its divisors is an integer number (21577563).

Almost surely, 2^140425205 is an apocalyptic number.

It is an amenable number.

140425205 is a deficient number, since it is larger than the sum of its proper divisors (32195299).

140425205 is an equidigital number, since it uses as much as digits as its factorization.

140425205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685047.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140425205 is about 11850.1141344714. The cubic root of 140425205 is about 519.7745632761.

Adding to 140425205 its reverse (502524041), we get a palindrome (642949246).

The spelling of 140425205 in words is "one hundred forty million, four hundred twenty-five thousand, two hundred five".