140044001134221 has 16 divisors (see below), whose sum is σ = 207841106896320. Its totient is φ = 93196836742320.

The previous prime is 140044001134211. The next prime is 140044001134277. The reversal of 140044001134221 is 122431100440041.

140044001134221 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 4 + 400 + 1 + 1 + 34 + 221 = 666.

It is not a de Polignac number, because 140044001134221 - 2⁵ = 140044001134189 is a prime.

It is a super-2 number, since 2×140044001134221² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044001134201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606392310 + ... + 4606422711.

It is an arithmetic number, because the mean of its divisors is an integer number (12990069181020).

Almost surely, 2^{140044001134221} is an apocalyptic number.

It is an amenable number.

140044001134221 is a deficient number, since it is larger than the sum of its proper divisors (67797105762099).

140044001134221 is an equidigital number, since it uses as much as digits as its factorization.

140044001134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212815593 (or 9212815587 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140044001134221 its reverse (122431100440041), we get a palindrome (262475101574262).

The spelling of 140044001134221 in words is "one hundred forty trillion, forty-four billion, one million, one hundred thirty-four thousand, two hundred twenty-one".