140300393 has 2 divisors, whose sum is σ = 140300394. Its totient is φ = 140300392.

The previous prime is 140300359. The next prime is 140300417. The reversal of 140300393 is 393003041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 753424 = 11813^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 140300393 - 2⁸ = 140300137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140300323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70150196 + 70150197.

It is an arithmetic number, because the mean of its divisors is an integer number (70150197).

Almost surely, 2^140300393 is an apocalyptic number.

It is an amenable number.

140300393 is a deficient number, since it is larger than the sum of its proper divisors (1).

140300393 is an equidigital number, since it uses as much as digits as its factorization.

140300393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 140300393 is about 11844.8466853733. The cubic root of 140300393 is about 519.6205231885.

The spelling of 140300393 in words is "one hundred forty million, three hundred thousand, three hundred ninety-three".