102538133194 has 32 divisors (see below), whose sum is σ = 177017218560. Its totient is φ = 43636572672.

The previous prime is 102538133161. The next prime is 102538133279. The reversal of 102538133194 is 491331835201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137732 + ... + 1224544.

It is an arithmetic number, because the mean of its divisors is an integer number (5531788080).

Almost surely, 2^102538133194 is an apocalyptic number.

102538133194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102538133194 is a deficient number, since it is larger than the sum of its proper divisors (74479085366).

102538133194 is a wasteful number, since it uses less digits than its factorization.

102538133194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87414.

The product of its (nonzero) digits is 77760, while the sum is 40.

Adding to 102538133194 its reverse (491331835201), we get a palindrome (593869968395).

The spelling of 102538133194 in words is "one hundred two billion, five hundred thirty-eight million, one hundred thirty-three thousand, one hundred ninety-four".