1057136438 has 8 divisors (see below), whose sum is σ = 1585959480. Its totient is φ = 528483280.

The previous prime is 1057136417. The next prime is 1057136441. The reversal of 1057136438 is 8346317501.

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

It is a super-2 number, since 2×1057136438² = 2235074897094655688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25568 + ... + 52611.

It is an arithmetic number, because the mean of its divisors is an integer number (198244935).

Almost surely, 2^1057136438 is an apocalyptic number.

1057136438 is a deficient number, since it is larger than the sum of its proper divisors (528823042).

1057136438 is an equidigital number, since it uses as much as digits as its factorization.

1057136438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84942.

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

The square root of 1057136438 is about 32513.6346476367. The cubic root of 1057136438 is about 1018.6938420221.

The spelling of 1057136438 in words is "one billion, fifty-seven million, one hundred thirty-six thousand, four hundred thirty-eight".