108402407439 has 4 divisors (see below), whose sum is σ = 144536543256. Its totient is φ = 72268271624.

The previous prime is 108402407423. The next prime is 108402407459. The reversal of 108402407439 is 934704204801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108402407439 - 2⁴ = 108402407423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108402407439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108402407459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18067067904 + ... + 18067067909.

It is an arithmetic number, because the mean of its divisors is an integer number (36134135814).

Almost surely, 2^108402407439 is an apocalyptic number.

108402407439 is a deficient number, since it is larger than the sum of its proper divisors (36134135817).

108402407439 is an equidigital number, since it uses as much as digits as its factorization.

108402407439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134135816.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 108402407439 in words is "one hundred eight billion, four hundred two million, four hundred seven thousand, four hundred thirty-nine".