140244020140221 has 12 divisors (see below), whose sum is σ = 203148561756348. Its totient is φ = 93231152196864.

The previous prime is 140244020140151. The next prime is 140244020140223. The reversal of 140244020140221 is 122041020442041.

140244020140221 is a `hidden beast` number, since 1 + 4 + 0 + 24 + 402 + 0 + 14 + 0 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99197894914596 + 41046125225625 = 9959814^2 + 6406725^2 .

It is not a de Polignac number, because 140244020140221 - 2¹⁵ = 140244020107453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244020140223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22071765810 + ... + 22071772163.

It is an arithmetic number, because the mean of its divisors is an integer number (16929046813029).

Almost surely, 2^{140244020140221} is an apocalyptic number.

It is an amenable number.

140244020140221 is a deficient number, since it is larger than the sum of its proper divisors (62904541616127).

140244020140221 is a wasteful number, since it uses less digits than its factorization.

140244020140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44143538332 (or 44143538329 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 140244020140221 its reverse (122041020442041), we get a palindrome (262285040582262).

The spelling of 140244020140221 in words is "one hundred forty trillion, two hundred forty-four billion, twenty million, one hundred forty thousand, two hundred twenty-one".