140624621041 has 4 divisors (see below), whose sum is σ = 140625745012. Its totient is φ = 140623497072.

The previous prime is 140624621029. The next prime is 140624621051. The reversal of 140624621041 is 140126426041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 140126426041 = 7 ⋅20018060863.

It can be written as a sum of positive squares in 2 ways, for example, as 113386419441 + 27238201600 = 336729^2 + 165040^2 .

It is a cyclic number.

It is not a de Polignac number, because 140624621041 - 2⁵ = 140624621009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140624620994 and 140624621012.

It is not an unprimeable number, because it can be changed into a prime (140624621051) 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, 346866 + ... + 633691.

It is an arithmetic number, because the mean of its divisors is an integer number (35156436253).

Almost surely, 2^140624621041 is an apocalyptic number.

It is an amenable number.

140624621041 is a deficient number, since it is larger than the sum of its proper divisors (1123971).

140624621041 is an equidigital number, since it uses as much as digits as its factorization.

140624621041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123970.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 140624621041 in words is "one hundred forty billion, six hundred twenty-four million, six hundred twenty-one thousand, forty-one".