138183456958 has 8 divisors (see below), whose sum is σ = 207276811128. Its totient is φ = 69091186584.

The previous prime is 138183456949. The next prime is 138183456959. The reversal of 138183456958 is 859654381831.

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

It is a super-2 number, since 2×138183456958² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138183456896 and 138183456905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138183456959) 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, 242085 + ... + 578767.

It is an arithmetic number, because the mean of its divisors is an integer number (25909601391).

Almost surely, 2^138183456958 is an apocalyptic number.

138183456958 is a deficient number, since it is larger than the sum of its proper divisors (69093354170).

138183456958 is a wasteful number, since it uses less digits than its factorization.

138183456958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541898.

The product of its digits is 24883200, while the sum is 61.

The spelling of 138183456958 in words is "one hundred thirty-eight billion, one hundred eighty-three million, four hundred fifty-six thousand, nine hundred fifty-eight".