140444230435121 has 16 divisors (see below), whose sum is σ = 150648803907840. Its totient is φ = 130456913383680.

The previous prime is 140444230435079. The next prime is 140444230435139. The reversal of 140444230435121 is 121534032444041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140444230435121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140444230435721) 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, 17782595 + ... + 24435816.

It is an arithmetic number, because the mean of its divisors is an integer number (9415550244240).

Almost surely, 2^{140444230435121} is an apocalyptic number.

It is an amenable number.

140444230435121 is a deficient number, since it is larger than the sum of its proper divisors (10204573472719).

140444230435121 is a wasteful number, since it uses less digits than its factorization.

140444230435121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42220984.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 140444230435121 its reverse (121534032444041), we get a palindrome (261978262879162).

The spelling of 140444230435121 in words is "one hundred forty trillion, four hundred forty-four billion, two hundred thirty million, four hundred thirty-five thousand, one hundred twenty-one".