1056444133 has 4 divisors (see below), whose sum is σ = 1090523008. Its totient is φ = 1022365260.

The previous prime is 1056444083. The next prime is 1056444149. The reversal of 1056444133 is 3314446501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3314446501 = 79 ⋅41955019.

It is a cyclic number.

It is not a de Polignac number, because 1056444133 - 2⁹ = 1056443621 is a prime.

It is a super-2 number, since 2×1056444133² = 2232148412300243378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 34078843 = 1056444133 / (1 + 0 + 5 + 6 + 4 + 4 + 4 + 1 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056444095 and 1056444104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056444163) 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, 17039391 + ... + 17039452.

It is an arithmetic number, because the mean of its divisors is an integer number (272630752).

Almost surely, 2^1056444133 is an apocalyptic number.

It is an amenable number.

1056444133 is a deficient number, since it is larger than the sum of its proper divisors (34078875).

1056444133 is an equidigital number, since it uses as much as digits as its factorization.

1056444133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34078874.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1056444133 is about 32502.9865243180. The cubic root of 1056444133 is about 1018.4714169805.

The spelling of 1056444133 in words is "one billion, fifty-six million, four hundred forty-four thousand, one hundred thirty-three".