102402441239 has 8 divisors (see below), whose sum is σ = 120194371488. Its totient is φ = 85401263520.

The previous prime is 102402441217. The next prime is 102402441247. The reversal of 102402441239 is 932144204201.

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-102402441239 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 (102402441139) 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 7 ways as a sum of consecutive naturals, for example, 197687852 + ... + 197688369.

It is an arithmetic number, because the mean of its divisors is an integer number (15024296436).

Almost surely, 2^102402441239 is an apocalyptic number.

102402441239 is a deficient number, since it is larger than the sum of its proper divisors (17791930249).

102402441239 is an equidigital number, since it uses as much as digits as its factorization.

102402441239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395376265.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 102402441239 in words is "one hundred two billion, four hundred two million, four hundred forty-one thousand, two hundred thirty-nine".