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140450021401 is a prime number
BaseRepresentation
bin1000001011001101111…
…0010100000000011001
3111102112012111100001111
42002303132110000121
54300120201141101
6144304415220321
713101324325024
oct2026336240031
9442465440044
10140450021401
1154623414958
12232785176a1
1310323b98651
146b252d41bb
1539c04b6251
hex20b3794019

140450021401 has 2 divisors, whose sum is σ = 140450021402. Its totient is φ = 140450021400.

The previous prime is 140450021377. The next prime is 140450021419. The reversal of 140450021401 is 104120054041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120234869001 + 20215152400 = 346749^2 + 142180^2 .

It is a cyclic number.

It is not a de Polignac number, because 140450021401 - 29 = 140450020889 is a prime.

It is not a weakly prime, because it can be changed into another prime (140450021471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70225010700 + 70225010701.

It is an arithmetic number, because the mean of its divisors is an integer number (70225010701).

Almost surely, 2140450021401 is an apocalyptic number.

It is an amenable number.

140450021401 is a deficient number, since it is larger than the sum of its proper divisors (1).

140450021401 is an equidigital number, since it uses as much as digits as its factorization.

140450021401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 140450021401 its reverse (104120054041), we get a palindrome (244570075442).

The spelling of 140450021401 in words is "one hundred forty billion, four hundred fifty million, twenty-one thousand, four hundred one".