140234240412321 has 64 divisors (see below), whose sum is σ = 213795132604416. Its totient is φ = 80985016411200.

The previous prime is 140234240412319. The next prime is 140234240412341. The reversal of 140234240412321 is 123214042432041.

It is not a de Polignac number, because 140234240412321 - 2¹ = 140234240412319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140234240412341) 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, 153281380 + ... + 154193546.

It is an arithmetic number, because the mean of its divisors is an integer number (3340548946944).

Almost surely, 2^{140234240412321} is an apocalyptic number.

140234240412321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140234240412321 is a deficient number, since it is larger than the sum of its proper divisors (73560892192095).

140234240412321 is a wasteful number, since it uses less digits than its factorization.

140234240412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914522.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 140234240412321 its reverse (123214042432041), we get a palindrome (263448282844362).

The spelling of 140234240412321 in words is "one hundred forty trillion, two hundred thirty-four billion, two hundred forty million, four hundred twelve thousand, three hundred twenty-one".