457829138 has 8 divisors (see below), whose sum is σ = 739570188. Its totient is φ = 211305744.

The previous prime is 457829107. The next prime is 457829147. The reversal of 457829138 is 831928754.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416445649 + 41383489 = 20407^2 + 6433^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 457829092 and 457829101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8804381 + ... + 8804432.

Almost surely, 2^457829138 is an apocalyptic number.

457829138 is a deficient number, since it is larger than the sum of its proper divisors (281741050).

457829138 is a wasteful number, since it uses less digits than its factorization.

457829138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608828.

The product of its digits is 483840, while the sum is 47.

The square root of 457829138 is about 21396.9422581826. The cubic root of 457829138 is about 770.7280110833.

The spelling of 457829138 in words is "four hundred fifty-seven million, eight hundred twenty-nine thousand, one hundred thirty-eight".