102581137135 has 8 divisors (see below), whose sum is σ = 123232493376. Its totient is φ = 81974823840.

The previous prime is 102581137121. The next prime is 102581137157. The reversal of 102581137135 is 531731185201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102581137135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102581137094 and 102581137103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11255724 + ... + 11264833.

It is an arithmetic number, because the mean of its divisors is an integer number (15404061672).

Almost surely, 2^102581137135 is an apocalyptic number.

102581137135 is a deficient number, since it is larger than the sum of its proper divisors (20651356241).

102581137135 is an equidigital number, since it uses as much as digits as its factorization.

102581137135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521473.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 102581137135 in words is "one hundred two billion, five hundred eighty-one million, one hundred thirty-seven thousand, one hundred thirty-five".