102735939 has 16 divisors (see below), whose sum is σ = 141420800. Its totient is φ = 66290400.

The previous prime is 102735911. The next prime is 102735949. The reversal of 102735939 is 939537201.

It is not a de Polignac number, because 102735939 - 2⁸ = 102735683 is a prime.

It is a super-4 number, since 4×102735939⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102735897 and 102735906.

It is not an unprimeable number, because it can be changed into a prime (102735949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19764 + ... + 24414.

It is an arithmetic number, because the mean of its divisors is an integer number (8838800).

Almost surely, 2^102735939 is an apocalyptic number.

102735939 is a deficient number, since it is larger than the sum of its proper divisors (38684861).

102735939 is a wasteful number, since it uses less digits than its factorization.

102735939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 102735939 is about 10135.8738646453. The cubic root of 102735939 is about 468.3538898652.

The spelling of 102735939 in words is "one hundred two million, seven hundred thirty-five thousand, nine hundred thirty-nine".