140434311121321 has 32 divisors (see below), whose sum is σ = 164106592505856. Its totient is φ = 117688899456000.

The previous prime is 140434311121303. The next prime is 140434311121327. The reversal of 140434311121321 is 123121113434041.

It is a cyclic number.

It is not a de Polignac number, because 140434311121321 - 2⁷ = 140434311121193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140434311121327) 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, 162722481 + ... + 163583233.

It is an arithmetic number, because the mean of its divisors is an integer number (5128331015808).

Almost surely, 2^{140434311121321} is an apocalyptic number.

It is an amenable number.

140434311121321 is a deficient number, since it is larger than the sum of its proper divisors (23672281384535).

140434311121321 is a wasteful number, since it uses less digits than its factorization.

140434311121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863113.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 140434311121321 its reverse (123121113434041), we get a palindrome (263555424555362).

The spelling of 140434311121321 in words is "one hundred forty trillion, four hundred thirty-four billion, three hundred eleven million, one hundred twenty-one thousand, three hundred twenty-one".