1147135574 has 16 divisors (see below), whose sum is σ = 1856334480. Its totient is φ = 528513120.

The previous prime is 1147135567. The next prime is 1147135579. The reversal of 1147135574 is 4755317411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147135579) 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 7 ways as a sum of consecutive naturals, for example, 23789 + ... + 53480.

It is an arithmetic number, because the mean of its divisors is an integer number (116020905).

Almost surely, 2^1147135574 is an apocalyptic number.

1147135574 is a deficient number, since it is larger than the sum of its proper divisors (709198906).

1147135574 is a wasteful number, since it uses less digits than its factorization.

1147135574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77855.

The product of its digits is 58800, while the sum is 38.

The square root of 1147135574 is about 33869.3899265989. The cubic root of 1147135574 is about 1046.8189664153.

The spelling of 1147135574 in words is "one billion, one hundred forty-seven million, one hundred thirty-five thousand, five hundred seventy-four".