102540134345 has 8 divisors (see below), whose sum is σ = 134234357760. Its totient is φ = 74574643120.

The previous prime is 102540134317. The next prime is 102540134357. The reversal of 102540134345 is 543431045201.

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-102540134345 is a prime.

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, 932182985 + ... + 932183094.

It is an arithmetic number, because the mean of its divisors is an integer number (16779294720).

Almost surely, 2^102540134345 is an apocalyptic number.

It is an amenable number.

102540134345 is a deficient number, since it is larger than the sum of its proper divisors (31694223415).

102540134345 is a wasteful number, since it uses less digits than its factorization.

102540134345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864366095.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 102540134345 its reverse (543431045201), we get a palindrome (645971179546).

The spelling of 102540134345 in words is "one hundred two billion, five hundred forty million, one hundred thirty-four thousand, three hundred forty-five".