140916137 has 2 divisors, whose sum is σ = 140916138. Its totient is φ = 140916136.

The previous prime is 140916121. The next prime is 140916157. The reversal of 140916137 is 731619041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75968656 + 64947481 = 8716^2 + 8059^2 .

It is an emirp because it is prime and its reverse (731619041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140916137 - 2⁴ = 140916121 is a prime.

It is not a weakly prime, because it can be changed into another prime (140916157) 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, 70458068 + 70458069.

It is an arithmetic number, because the mean of its divisors is an integer number (70458069).

Almost surely, 2^140916137 is an apocalyptic number.

It is an amenable number.

140916137 is a deficient number, since it is larger than the sum of its proper divisors (1).

140916137 is an equidigital number, since it uses as much as digits as its factorization.

140916137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 140916137 is about 11870.8102924779. The cubic root of 140916137 is about 520.3795761631.

The spelling of 140916137 in words is "one hundred forty million, nine hundred sixteen thousand, one hundred thirty-seven".