140583901 has 2 divisors, whose sum is σ = 140583902. Its totient is φ = 140583900.

The previous prime is 140583887. The next prime is 140583917. The reversal of 140583901 is 109385041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122102500 + 18481401 = 11050^2 + 4299^2 .

It is an emirp because it is prime and its reverse (109385041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140583901 - 2⁹ = 140583389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140583941) 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, 70291950 + 70291951.

It is an arithmetic number, because the mean of its divisors is an integer number (70291951).

Almost surely, 2^140583901 is an apocalyptic number.

It is an amenable number.

140583901 is a deficient number, since it is larger than the sum of its proper divisors (1).

140583901 is an equidigital number, since it uses as much as digits as its factorization.

140583901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 140583901 is about 11856.8082130057. The cubic root of 140583901 is about 519.9702904624.

The spelling of 140583901 in words is "one hundred forty million, five hundred eighty-three thousand, nine hundred one".