140040204323321 has 32 divisors (see below), whose sum is σ = 142870239033600. Its totient is φ = 137245146716160.

The previous prime is 140040204323249. The next prime is 140040204323347. The reversal of 140040204323321 is 123323402040041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140040204323321 is a prime.

It is a super-2 number, since 2×140040204323321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140040204320321) 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, 9380406785 + ... + 9380421713.

It is an arithmetic number, because the mean of its divisors is an integer number (4464694969800).

Almost surely, 2^{140040204323321} is an apocalyptic number.

It is an amenable number.

140040204323321 is a deficient number, since it is larger than the sum of its proper divisors (2830034710279).

140040204323321 is a wasteful number, since it uses less digits than its factorization.

140040204323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140040204323321 its reverse (123323402040041), we get a palindrome (263363606363362).

The spelling of 140040204323321 in words is "one hundred forty trillion, forty billion, two hundred four million, three hundred twenty-three thousand, three hundred twenty-one".