387135406039 has 2 divisors, whose sum is σ = 387135406040. Its totient is φ = 387135406038.

The previous prime is 387135406037. The next prime is 387135406111. The reversal of 387135406039 is 930604531783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387135406039 - 2¹ = 387135406037 is a prime.

Together with 387135406037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 387135405983 and 387135406001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387135406037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193567703019 + 193567703020.

It is an arithmetic number, because the mean of its divisors is an integer number (193567703020).

Almost surely, 2^387135406039 is an apocalyptic number.

387135406039 is a deficient number, since it is larger than the sum of its proper divisors (1).

387135406039 is an equidigital number, since it uses as much as digits as its factorization.

387135406039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 387135406039 in words is "three hundred eighty-seven billion, one hundred thirty-five million, four hundred six thousand, thirty-nine".