102635740 has 12 divisors (see below), whose sum is σ = 215535096. Its totient is φ = 41054288.

The previous prime is 102635713. The next prime is 102635747. The reversal of 102635740 is 47536201.

It is a junction number, because it is equal to n+sod(n) for n = 102635699 and 102635708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102635747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565874 + ... + 2565913.

It is an arithmetic number, because the mean of its divisors is an integer number (17961258).

Almost surely, 2^102635740 is an apocalyptic number.

102635740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102635740 is an abundant number, since it is smaller than the sum of its proper divisors (112899356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102635740 is a wasteful number, since it uses less digits than its factorization.

102635740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131796 (or 5131794 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 102635740 is about 10130.9298684770. The cubic root of 102635740 is about 468.2015775172.

The spelling of 102635740 in words is "one hundred two million, six hundred thirty-five thousand, seven hundred forty".