140040420124403 has 4 divisors (see below), whose sum is σ = 140315548651680. Its totient is φ = 139765291597128.

The previous prime is 140040420124399. The next prime is 140040420124499. The reversal of 140040420124403 is 304421024040041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140040420124403 - 2² = 140040420124399 is a prime.

It is a super-2 number, since 2×140040420124403² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140040420121403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137564262875 + ... + 137564263892.

It is an arithmetic number, because the mean of its divisors is an integer number (35078887162920).

Almost surely, 2^{140040420124403} is an apocalyptic number.

140040420124403 is a deficient number, since it is larger than the sum of its proper divisors (275128527277).

140040420124403 is an equidigital number, since it uses as much as digits as its factorization.

140040420124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275128527276.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140040420124403 its reverse (304421024040041), we get a palindrome (444461444164444).

The spelling of 140040420124403 in words is "one hundred forty trillion, forty billion, four hundred twenty million, one hundred twenty-four thousand, four hundred three".