102740636 has 6 divisors (see below), whose sum is σ = 179796120. Its totient is φ = 51370316.

The previous prime is 102740597. The next prime is 102740683. The reversal of 102740636 is 636047201.

It is a junction number, because it is equal to n+sod(n) for n = 102740599 and 102740608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12842576 + ... + 12842583.

It is an arithmetic number, because the mean of its divisors is an integer number (29966020).

Almost surely, 2^102740636 is an apocalyptic number.

It is an amenable number.

102740636 is a deficient number, since it is larger than the sum of its proper divisors (77055484).

102740636 is a wasteful number, since it uses less digits than its factorization.

102740636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25685163 (or 25685161 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 102740636 is about 10136.1055637755. The cubic root of 102740636 is about 468.3610273373.

Adding to 102740636 its reverse (636047201), we get a palindrome (738787837).

The spelling of 102740636 in words is "one hundred two million, seven hundred forty thousand, six hundred thirty-six".