1139434573 has 8 divisors (see below), whose sum is σ = 1171854488. Its totient is φ = 1107100224.

The previous prime is 1139434561. The next prime is 1139434577. The reversal of 1139434573 is 3754349311.

It can be written as a sum of positive squares in 4 ways, for example, as 876929769 + 262504804 = 29613^2 + 16202^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139434573 is a prime.

It is a super-2 number, since 2×1139434573² = 2596622292295384658, 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 (1139434577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6115 + ... + 48127.

It is an arithmetic number, because the mean of its divisors is an integer number (146481811).

Almost surely, 2^1139434573 is an apocalyptic number.

It is an amenable number.

1139434573 is a deficient number, since it is larger than the sum of its proper divisors (32419915).

1139434573 is an equidigital number, since it uses as much as digits as its factorization.

1139434573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42783.

The product of its digits is 136080, while the sum is 40.

The square root of 1139434573 is about 33755.5117425288. The cubic root of 1139434573 is about 1044.4711877686.

The spelling of 1139434573 in words is "one billion, one hundred thirty-nine million, four hundred thirty-four thousand, five hundred seventy-three".