102081339 has 12 divisors (see below), whose sum is σ = 150233616. Its totient is φ = 66769872.

The previous prime is 102081323. The next prime is 102081341. The reversal of 102081339 is 933180201.

It is not a de Polignac number, because 102081339 - 2⁴ = 102081323 is a prime.

It is a super-3 number, since 3×102081339³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102081359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106527 + ... + 107480.

It is an arithmetic number, because the mean of its divisors is an integer number (12519468).

Almost surely, 2^102081339 is an apocalyptic number.

102081339 is a deficient number, since it is larger than the sum of its proper divisors (48152277).

102081339 is a wasteful number, since it uses less digits than its factorization.

102081339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214066 (or 214063 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 102081339 is about 10103.5310164318. The cubic root of 102081339 is about 467.3570367475.

The spelling of 102081339 in words is "one hundred two million, eighty-one thousand, three hundred thirty-nine".