393650040139 has 2 divisors, whose sum is σ = 393650040140. Its totient is φ = 393650040138.

The previous prime is 393650040089. The next prime is 393650040149. The reversal of 393650040139 is 931040056393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 393650040139 - 2⁷ = 393650040011 is a prime.

It is a super-2 number, since 2×393650040139² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 393650040095 and 393650040104.

It is not a weakly prime, because it can be changed into another prime (393650040149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196825020069 + 196825020070.

It is an arithmetic number, because the mean of its divisors is an integer number (196825020070).

Almost surely, 2^393650040139 is an apocalyptic number.

393650040139 is a deficient number, since it is larger than the sum of its proper divisors (1).

393650040139 is an equidigital number, since it uses as much as digits as its factorization.

393650040139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 393650040139 in words is "three hundred ninety-three billion, six hundred fifty million, forty thousand, one hundred thirty-nine".