102130442134 has 16 divisors (see below), whose sum is σ = 175852044288. Its totient is φ = 43577367912.

The previous prime is 102130442131. The next prime is 102130442143. The reversal of 102130442134 is 431244031201.

102130442134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102130442099 and 102130442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130442131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16065174 + ... + 16071529.

It is an arithmetic number, because the mean of its divisors is an integer number (10990752768).

Almost surely, 2^102130442134 is an apocalyptic number.

102130442134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102130442134 is a deficient number, since it is larger than the sum of its proper divisors (73721602154).

102130442134 is a wasteful number, since it uses less digits than its factorization.

102130442134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32136939.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102130442134 its reverse (431244031201), we get a palindrome (533374473335).

The spelling of 102130442134 in words is "one hundred two billion, one hundred thirty million, four hundred forty-two thousand, one hundred thirty-four".