140440113401231 has 8 divisors (see below), whose sum is σ = 160536769772544. Its totient is φ = 120351902787000.

The previous prime is 140440113401101. The next prime is 140440113401257. The reversal of 140440113401231 is 132104311044041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140440113401231 - 2¹⁸ = 140440113139087 is a prime.

It is a super-2 number, since 2×140440113401231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140440113401194 and 140440113401203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440113401261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111403635 + ... + 2111470148.

It is an arithmetic number, because the mean of its divisors is an integer number (20067096221568).

Almost surely, 2^{140440113401231} is an apocalyptic number.

140440113401231 is a deficient number, since it is larger than the sum of its proper divisors (20096656371313).

140440113401231 is an equidigital number, since it uses as much as digits as its factorization.

140440113401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222878541.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 140440113401231 its reverse (132104311044041), we get a palindrome (272544424445272).

The spelling of 140440113401231 in words is "one hundred forty trillion, four hundred forty billion, one hundred thirteen million, four hundred one thousand, two hundred thirty-one".