140244021321131 has 64 divisors (see below), whose sum is σ = 181189635981312. Its totient is φ = 105504662495232.

The previous prime is 140244021321067. The next prime is 140244021321169. The reversal of 140244021321131 is 131123120442041.

It is not a de Polignac number, because 140244021321131 - 2⁶ = 140244021321067 is a prime.

It is a super-2 number, since 2×140244021321131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140244021321094 and 140244021321103.

It is not an unprimeable number, because it can be changed into a prime (140244021321431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313892111 + ... + 314338583.

It is an arithmetic number, because the mean of its divisors is an integer number (2831088062208).

Almost surely, 2^{140244021321131} is an apocalyptic number.

140244021321131 is a deficient number, since it is larger than the sum of its proper divisors (40945614660181).

140244021321131 is a wasteful number, since it uses less digits than its factorization.

140244021321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447412.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 140244021321131 its reverse (131123120442041), we get a palindrome (271367141763172).

The spelling of 140244021321131 in words is "one hundred forty trillion, two hundred forty-four billion, twenty-one million, three hundred twenty-one thousand, one hundred thirty-one".