1053181439 has 16 divisors (see below), whose sum is σ = 1091803104. Its totient is φ = 1015488000.

The previous prime is 1053181421. The next prime is 1053181453. The reversal of 1053181439 is 9341813501.

It is a cyclic number.

It is not a de Polignac number, because 1053181439 - 2⁸ = 1053181183 is a prime.

It is a super-2 number, since 2×1053181439² = 2218382286908221442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053181399 and 1053181408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053181939) 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, 611099 + ... + 612819.

It is an arithmetic number, because the mean of its divisors is an integer number (68237694).

Almost surely, 2^1053181439 is an apocalyptic number.

1053181439 is a deficient number, since it is larger than the sum of its proper divisors (38621665).

1053181439 is a wasteful number, since it uses less digits than its factorization.

1053181439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1053181439 is about 32452.7570323386. The cubic root of 1053181439 is about 1017.4218624082.

The spelling of 1053181439 in words is "one billion, fifty-three million, one hundred eighty-one thousand, four hundred thirty-nine".