138194322602 has 24 divisors (see below), whose sum is σ = 241147904544. Its totient is φ = 59222966712.

The previous prime is 138194322577. The next prime is 138194322611. The reversal of 138194322602 is 206223491831.

It is a self number, because there is not a number n which added to its sum of digits gives 138194322602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294203 + ... + 3335889.

It is an arithmetic number, because the mean of its divisors is an integer number (10047829356).

Almost surely, 2^138194322602 is an apocalyptic number.

138194322602 is a deficient number, since it is larger than the sum of its proper divisors (102953581942).

138194322602 is a wasteful number, since it uses less digits than its factorization.

138194322602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75530 (or 75523 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 138194322602 in words is "one hundred thirty-eight billion, one hundred ninety-four million, three hundred twenty-two thousand, six hundred two".