140700293 has 2 divisors, whose sum is σ = 140700294. Its totient is φ = 140700292.

The previous prime is 140700283. The next prime is 140700311. The reversal of 140700293 is 392007041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139405249 + 1295044 = 11807^2 + 1138^2 .

It is an emirp because it is prime and its reverse (392007041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140700293 - 2⁶ = 140700229 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 (140700283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70350146 + 70350147.

It is an arithmetic number, because the mean of its divisors is an integer number (70350147).

Almost surely, 2^140700293 is an apocalyptic number.

It is an amenable number.

140700293 is a deficient number, since it is larger than the sum of its proper divisors (1).

140700293 is an equidigital number, since it uses as much as digits as its factorization.

140700293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 140700293 is about 11861.7154324322. The cubic root of 140700293 is about 520.1137485381.

The spelling of 140700293 in words is "one hundred forty million, seven hundred thousand, two hundred ninety-three".