456123138 has 8 divisors (see below), whose sum is σ = 912246288. Its totient is φ = 152041044.

The previous prime is 456123137. The next prime is 456123163. The reversal of 456123138 is 831321654.

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

456123138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 456123099 and 456123108.

It is not an unprimeable number, because it can be changed into a prime (456123137) 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, 38010256 + ... + 38010267.

It is an arithmetic number, because the mean of its divisors is an integer number (114030786).

Almost surely, 2^456123138 is an apocalyptic number.

456123138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

456123138 is a wasteful number, since it uses less digits than its factorization.

456123138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76020528.

The product of its digits is 17280, while the sum is 33.

The square root of 456123138 is about 21357.0395420339. The cubic root of 456123138 is about 769.7695031679.

The spelling of 456123138 in words is "four hundred fifty-six million, one hundred twenty-three thousand, one hundred thirty-eight".