40383505750139 has 2 divisors, whose sum is σ = 40383505750140. Its totient is φ = 40383505750138.

The previous prime is 40383505750127. The next prime is 40383505750193. The reversal of 40383505750139 is 93105750538304.

It is a happy number.

Together with next prime (40383505750193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40383505750139 - 2⁴⁴ = 22791319705723 is a prime.

It is not a weakly prime, because it can be changed into another prime (40383505750339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191752875069 + 20191752875070.

It is an arithmetic number, because the mean of its divisors is an integer number (20191752875070).

Almost surely, 2^{40383505750139} is an apocalyptic number.

40383505750139 is a deficient number, since it is larger than the sum of its proper divisors (1).

40383505750139 is an equidigital number, since it uses as much as digits as its factorization.

40383505750139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 40383505750139 in words is "forty trillion, three hundred eighty-three billion, five hundred five million, seven hundred fifty thousand, one hundred thirty-nine".