140420230401321 has 64 divisors (see below), whose sum is σ = 225529137953280. Its totient is φ = 85835155680000.

The previous prime is 140420230401299. The next prime is 140420230401379. The reversal of 140420230401321 is 123104032024041.

140420230401321 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 0 + 230 + 401 + 3 + 21 = 666.

It is not a de Polignac number, because 140420230401321 - 2⁷ = 140420230401193 is a prime.

It is a super-2 number, since 2×140420230401321² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140420230401721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1035624751 + ... + 1035760331.

It is an arithmetic number, because the mean of its divisors is an integer number (3523892780520).

Almost surely, 2^{140420230401321} is an apocalyptic number.

It is an amenable number.

140420230401321 is a deficient number, since it is larger than the sum of its proper divisors (85108907551959).

140420230401321 is a wasteful number, since it uses less digits than its factorization.

140420230401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155295 (or 155289 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140420230401321 its reverse (123104032024041), we get a palindrome (263524262425362).

The spelling of 140420230401321 in words is "one hundred forty trillion, four hundred twenty billion, two hundred thirty million, four hundred one thousand, three hundred twenty-one".