1130581438 has 8 divisors (see below), whose sum is σ = 1938139632. Its totient is φ = 484534896.

The previous prime is 1130581433. The next prime is 1130581471. The reversal of 1130581438 is 8341850311.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130581433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40377895 + ... + 40377922.

It is an arithmetic number, because the mean of its divisors is an integer number (242267454).

Almost surely, 2^1130581438 is an apocalyptic number.

1130581438 is a deficient number, since it is larger than the sum of its proper divisors (807558194).

1130581438 is an equidigital number, since it uses as much as digits as its factorization.

1130581438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80755826.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1130581438 is about 33624.1198843925. The cubic root of 1130581438 is about 1041.7590540038.

The spelling of 1130581438 in words is "one billion, one hundred thirty million, five hundred eighty-one thousand, four hundred thirty-eight".