140625421205 has 8 divisors (see below), whose sum is σ = 168761975712. Its totient is φ = 112492690128.

The previous prime is 140625421151. The next prime is 140625421283. The reversal of 140625421205 is 502124526041.

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 140625421205 - 2⁶ = 140625421141 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, 874307 + ... + 1022576.

It is an arithmetic number, because the mean of its divisors is an integer number (21095246964).

Almost surely, 2^140625421205 is an apocalyptic number.

It is an amenable number.

140625421205 is a deficient number, since it is larger than the sum of its proper divisors (28136554507).

140625421205 is a wasteful number, since it uses less digits than its factorization.

140625421205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911715.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 140625421205 its reverse (502124526041), we get a palindrome (642749947246).

The spelling of 140625421205 in words is "one hundred forty billion, six hundred twenty-five million, four hundred twenty-one thousand, two hundred five".