140420233404121 has 32 divisors (see below), whose sum is σ = 153659672893440. Its totient is φ = 127260465076800.

The previous prime is 140420233404119. The next prime is 140420233404149. The reversal of 140420233404121 is 121404332024041.

It is a happy number.

It is not a de Polignac number, because 140420233404121 - 2¹ = 140420233404119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140420233404721) 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, 30585977536 + ... + 30585982126.

It is an arithmetic number, because the mean of its divisors is an integer number (4801864777920).

Almost surely, 2^{140420233404121} is an apocalyptic number.

140420233404121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140420233404121 is a deficient number, since it is larger than the sum of its proper divisors (13239439489319).

140420233404121 is a wasteful number, since it uses less digits than its factorization.

140420233404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140420233404121 its reverse (121404332024041), we get a palindrome (261824565428162).

The spelling of 140420233404121 in words is "one hundred forty trillion, four hundred twenty billion, two hundred thirty-three million, four hundred four thousand, one hundred twenty-one".