102081878134 has 8 divisors (see below), whose sum is σ = 153124598880. Its totient is φ = 51040345176.

The previous prime is 102081878117. The next prime is 102081878149. The reversal of 102081878134 is 431878180201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36349 + ... + 453304.

It is an arithmetic number, because the mean of its divisors is an integer number (19140574860).

Almost surely, 2^102081878134 is an apocalyptic number.

102081878134 is a deficient number, since it is larger than the sum of its proper divisors (51042720746).

102081878134 is a wasteful number, since it uses less digits than its factorization.

102081878134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593894.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 102081878134 in words is "one hundred two billion, eighty-one million, eight hundred seventy-eight thousand, one hundred thirty-four".