140030101 has 2 divisors, whose sum is σ = 140030102. Its totient is φ = 140030100.

The previous prime is 140030087. The next prime is 140030113. The reversal of 140030101 is 101030041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 29149201 = 10530^2 + 5399^2 .

It is a cyclic number.

It is not a de Polignac number, because 140030101 - 2¹⁹ = 139505813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140030701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70015050 + 70015051.

It is an arithmetic number, because the mean of its divisors is an integer number (70015051).

Almost surely, 2^140030101 is an apocalyptic number.

It is an amenable number.

140030101 is a deficient number, since it is larger than the sum of its proper divisors (1).

140030101 is an equidigital number, since it uses as much as digits as its factorization.

140030101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 140030101 is about 11833.4314972454. The cubic root of 140030101 is about 519.2866216290.

Adding to 140030101 its reverse (101030041), we get a palindrome (241060142).

The spelling of 140030101 in words is "one hundred forty million, thirty thousand, one hundred one".