140737673 has 2 divisors, whose sum is σ = 140737674. Its totient is φ = 140737672.

The previous prime is 140737669. The next prime is 140737739. The reversal of 140737673 is 376737041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123365449 + 17372224 = 11107^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 140737673 - 2² = 140737669 is a prime.

It is equal to p_7951484 and since 140737673 and 7951484 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (140737273) 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, 70368836 + 70368837.

It is an arithmetic number, because the mean of its divisors is an integer number (70368837).

Almost surely, 2^140737673 is an apocalyptic number.

It is an amenable number.

140737673 is a deficient number, since it is larger than the sum of its proper divisors (1).

140737673 is an equidigital number, since it uses as much as digits as its factorization.

140737673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 140737673 is about 11863.2909852199. The cubic root of 140737673 is about 520.1598041884.

The spelling of 140737673 in words is "one hundred forty million, seven hundred thirty-seven thousand, six hundred seventy-three".