102854708139 has 8 divisors (see below), whose sum is σ = 137142212752. Its totient is φ = 68568504480.

The previous prime is 102854708137. The next prime is 102854708171. The reversal of 102854708139 is 931807458201.

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

It is not a de Polignac number, because 102854708139 - 2¹ = 102854708137 is a prime.

It is a super-3 number, since 3×102854708139³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102854708137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122752 + ... + 469869.

It is an arithmetic number, because the mean of its divisors is an integer number (17142776594).

Almost surely, 2^102854708139 is an apocalyptic number.

102854708139 is a deficient number, since it is larger than the sum of its proper divisors (34287504613).

102854708139 is an equidigital number, since it uses as much as digits as its factorization.

102854708139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650477.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 102854708139 in words is "one hundred two billion, eight hundred fifty-four million, seven hundred eight thousand, one hundred thirty-nine".