1057444135 has 16 divisors (see below), whose sum is σ = 1390051872. Its totient is φ = 765849600.

The previous prime is 1057444121. The next prime is 1057444147. The reversal of 1057444135 is 5314447501.

It is not a de Polignac number, because 1057444135 - 2¹⁹ = 1056919847 is a prime.

It is a super-2 number, since 2×1057444135² = 2236376197291796450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057444135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26634 + ... + 53143.

It is an arithmetic number, because the mean of its divisors is an integer number (86878242).

Almost surely, 2^1057444135 is an apocalyptic number.

1057444135 is a deficient number, since it is larger than the sum of its proper divisors (332607737).

1057444135 is a wasteful number, since it uses less digits than its factorization.

1057444135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80034.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1057444135 is about 32518.3661182415. The cubic root of 1057444135 is about 1018.7926683172.

The spelling of 1057444135 in words is "one billion, fifty-seven million, four hundred forty-four thousand, one hundred thirty-five".