140417801 has 2 divisors, whose sum is σ = 140417802. Its totient is φ = 140417800.

The previous prime is 140417779. The next prime is 140417819. The reversal of 140417801 is 108714041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89794576 + 50623225 = 9476^2 + 7115^2 .

It is an emirp because it is prime and its reverse (108714041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140417801 - 2²² = 136223497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140417821) 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, 70208900 + 70208901.

It is an arithmetic number, because the mean of its divisors is an integer number (70208901).

Almost surely, 2^140417801 is an apocalyptic number.

It is an amenable number.

140417801 is a deficient number, since it is larger than the sum of its proper divisors (1).

140417801 is an equidigital number, since it uses as much as digits as its factorization.

140417801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 140417801 is about 11849.8017282991. The cubic root of 140417801 is about 519.7654279776.

The spelling of 140417801 in words is "one hundred forty million, four hundred seventeen thousand, eight hundred one".