140208001 has 2 divisors, whose sum is σ = 140208002. Its totient is φ = 140208000.

The previous prime is 140207989. The next prime is 140208017. The reversal of 140208001 is 100802041.

It is a happy number.

It is an a-pointer prime, because the next prime (140208017) can be obtained adding 140208001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 14745600 = 11201^2 + 3840^2 .

It is an emirp because it is prime and its reverse (100802041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140208001 - 2¹³ = 140199809 is a prime.

It is not a weakly prime, because it can be changed into another prime (140208091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70104000 + 70104001.

It is an arithmetic number, because the mean of its divisors is an integer number (70104001).

Almost surely, 2^140208001 is an apocalyptic number.

It is an amenable number.

140208001 is a deficient number, since it is larger than the sum of its proper divisors (1).

140208001 is an equidigital number, since it uses as much as digits as its factorization.

140208001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140208001 is about 11840.9459503876. The cubic root of 140208001 is about 519.5064362625.

The spelling of 140208001 in words is "one hundred forty million, two hundred eight thousand, one".