140620401321 has 16 divisors (see below), whose sum is σ = 198903999168. Its totient is φ = 88063040000.

The previous prime is 140620401289. The next prime is 140620401373. The reversal of 140620401321 is 123104026041.

It is a cyclic number.

It is not a de Polignac number, because 140620401321 - 2⁵ = 140620401289 is a prime.

It is a super-5 number, since 5×140620401321⁵ (a number of 57 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140620401291 and 140620401300.

It is not an unprimeable number, because it can be changed into a prime (140620401391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619555 + ... + 2672696.

It is an arithmetic number, because the mean of its divisors is an integer number (12431499948).

Almost surely, 2^140620401321 is an apocalyptic number.

It is an amenable number.

140620401321 is a deficient number, since it is larger than the sum of its proper divisors (58283597847).

140620401321 is a wasteful number, since it uses less digits than its factorization.

140620401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292792.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 140620401321 its reverse (123104026041), we get a palindrome (263724427362).

The spelling of 140620401321 in words is "one hundred forty billion, six hundred twenty million, four hundred one thousand, three hundred twenty-one".