1056144613 has 16 divisors (see below), whose sum is σ = 1135330560. Its totient is φ = 979900416.

The previous prime is 1056144599. The next prime is 1056144637. The reversal of 1056144613 is 3164416501.

It is a cyclic number.

It is not a de Polignac number, because 1056144613 - 2¹³ = 1056136421 is a prime.

It is a super-2 number, since 2×1056144613² = 2230882887137839538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056144643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303781 + ... + 307237.

It is an arithmetic number, because the mean of its divisors is an integer number (70958160).

Almost surely, 2^1056144613 is an apocalyptic number.

It is an amenable number.

1056144613 is a deficient number, since it is larger than the sum of its proper divisors (79185947).

1056144613 is a wasteful number, since it uses less digits than its factorization.

1056144613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1056144613 is about 32498.3786210943. The cubic root of 1056144613 is about 1018.3751565211.

The spelling of 1056144613 in words is "one billion, fifty-six million, one hundred forty-four thousand, six hundred thirteen".