102381534541439 has 8 divisors (see below), whose sum is σ = 102388209073920. Its totient is φ = 102374860294656.

The previous prime is 102381534541427. The next prime is 102381534541459. The reversal of 102381534541439 is 934145435183201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102381534541439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102381534541459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692310439 + ... + 1692370935.

It is an arithmetic number, because the mean of its divisors is an integer number (12798526134240).

Almost surely, 2^{102381534541439} is an apocalyptic number.

102381534541439 is a deficient number, since it is larger than the sum of its proper divisors (6674532481).

102381534541439 is an equidigital number, since it uses as much as digits as its factorization.

102381534541439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142849.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 102381534541439 in words is "one hundred two trillion, three hundred eighty-one billion, five hundred thirty-four million, five hundred forty-one thousand, four hundred thirty-nine".