140013621344 has 12 divisors (see below), whose sum is σ = 275651817084. Its totient is φ = 70006810656.

The previous prime is 140013621337. The next prime is 140013621389. The reversal of 140013621344 is 443126310041.

It is a happy number.

It is a super-2 number, since 2×140013621344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2187712802 + ... + 2187712865.

It is an arithmetic number, because the mean of its divisors is an integer number (22970984757).

Almost surely, 2^140013621344 is an apocalyptic number.

It is an amenable number.

140013621344 is a deficient number, since it is larger than the sum of its proper divisors (135638195740).

140013621344 is an equidigital number, since it uses as much as digits as its factorization.

140013621344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375425677 (or 4375425669 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 140013621344 its reverse (443126310041), we get a palindrome (583139931385).

The spelling of 140013621344 in words is "one hundred forty billion, thirteen million, six hundred twenty-one thousand, three hundred forty-four".