140801137 has 2 divisors, whose sum is σ = 140801138. Its totient is φ = 140801136.

The previous prime is 140801099. The next prime is 140801161. The reversal of 140801137 is 731108041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131583841 + 9217296 = 11471^2 + 3036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140801137 is a prime.

It is not a weakly prime, because it can be changed into another prime (140807137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70400568 + 70400569.

It is an arithmetic number, because the mean of its divisors is an integer number (70400569).

Almost surely, 2^140801137 is an apocalyptic number.

It is an amenable number.

140801137 is a deficient number, since it is larger than the sum of its proper divisors (1).

140801137 is an equidigital number, since it uses as much as digits as its factorization.

140801137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 140801137 is about 11865.9654895841. The cubic root of 140801137 is about 520.2379790895.

Adding to 140801137 its reverse (731108041), we get a palindrome (871909178).

The spelling of 140801137 in words is "one hundred forty million, eight hundred one thousand, one hundred thirty-seven".