140125115221 has 24 divisors (see below), whose sum is σ = 176194138680. Its totient is φ = 110455938432.

The previous prime is 140125115219. The next prime is 140125115237. The reversal of 140125115221 is 122511521041.

It can be written as a sum of positive squares in 4 ways, for example, as 2198296996 + 137926818225 = 46886^2 + 371385^2 .

It is not a de Polignac number, because 140125115221 - 2¹ = 140125115219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140125115261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237526 + ... + 580231.

It is an arithmetic number, because the mean of its divisors is an integer number (7341422445).

Almost surely, 2^140125115221 is an apocalyptic number.

It is an amenable number.

140125115221 is a deficient number, since it is larger than the sum of its proper divisors (36069023459).

140125115221 is a wasteful number, since it uses less digits than its factorization.

140125115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818053 (or 818046 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 140125115221 its reverse (122511521041), we get a palindrome (262636636262).

The spelling of 140125115221 in words is "one hundred forty billion, one hundred twenty-five million, one hundred fifteen thousand, two hundred twenty-one".