140052041415221 has 32 divisors (see below), whose sum is σ = 155788925050080. Its totient is φ = 125091770978304.

The previous prime is 140052041415199. The next prime is 140052041415283. The reversal of 140052041415221 is 122514140250041.

It can be written as a sum of positive squares in 16 ways, for example, as 16591275951121 + 123460765464100 = 4073239^2 + 11111290^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140052041415221 is a prime.

It is a super-2 number, since 2×140052041415221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140052041415421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648170015 + ... + 648386051.

It is an arithmetic number, because the mean of its divisors is an integer number (4868403907815).

Almost surely, 2^{140052041415221} is an apocalyptic number.

It is an amenable number.

140052041415221 is a deficient number, since it is larger than the sum of its proper divisors (15736883634859).

140052041415221 is a wasteful number, since it uses less digits than its factorization.

140052041415221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229065.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 140052041415221 its reverse (122514140250041), we get a palindrome (262566181665262).

The spelling of 140052041415221 in words is "one hundred forty trillion, fifty-two billion, forty-one million, four hundred fifteen thousand, two hundred twenty-one".