73101010138 has 8 divisors (see below), whose sum is σ = 118086247188. Its totient is φ = 33738927744.

The previous prime is 73101010133. The next prime is 73101010139. The reversal of 73101010138 is 83101010137.

It can be written as a sum of positive squares in 2 ways, for example, as 64702570689 + 8398439449 = 254367^2 + 91643^2 .

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

It is not an unprimeable number, because it can be changed into a prime (73101010133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405788631 + ... + 1405788682.

Almost surely, 2^73101010138 is an apocalyptic number.

73101010138 is a deficient number, since it is larger than the sum of its proper divisors (44985237050).

73101010138 is a wasteful number, since it uses less digits than its factorization.

73101010138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811577328.

The product of its (nonzero) digits is 504, while the sum is 25.

Subtracting 73101010138 from its reverse (83101010137), we obtain a palindrome (9999999999).

The spelling of 73101010138 in words is "seventy-three billion, one hundred one million, ten thousand, one hundred thirty-eight".