102338845739 has 8 divisors (see below), whose sum is σ = 110250450912. Its totient is φ = 94432867200.

The previous prime is 102338845681. The next prime is 102338845801. The reversal of 102338845739 is 937548833201.

It is a happy number.

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-102338845739 is a prime.

It is a super-2 number, since 2×102338845739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102338845339) 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, 1368839 + ... + 1441664.

It is an arithmetic number, because the mean of its divisors is an integer number (13781306364).

Almost surely, 2^102338845739 is an apocalyptic number.

102338845739 is a deficient number, since it is larger than the sum of its proper divisors (7911605173).

102338845739 is a wasteful number, since it uses less digits than its factorization.

102338845739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813317.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 102338845739 in words is "one hundred two billion, three hundred thirty-eight million, eight hundred forty-five thousand, seven hundred thirty-nine".