138416573 has 8 divisors (see below), whose sum is σ = 140684928. Its totient is φ = 136154304.

The previous prime is 138416563. The next prime is 138416651. The reversal of 138416573 is 375614831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138416573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138416513) 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, 72965 + ... + 74837.

It is an arithmetic number, because the mean of its divisors is an integer number (17585616).

Almost surely, 2^138416573 is an apocalyptic number.

It is an amenable number.

138416573 is a deficient number, since it is larger than the sum of its proper divisors (2268355).

138416573 is a wasteful number, since it uses less digits than its factorization.

138416573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043.

The product of its digits is 60480, while the sum is 38.

The square root of 138416573 is about 11765.0572884283. The cubic root of 138416573 is about 517.2843795105.

The spelling of 138416573 in words is "one hundred thirty-eight million, four hundred sixteen thousand, five hundred seventy-three".