1141423664 has 10 divisors (see below), whose sum is σ = 2211508380. Its totient is φ = 570711824.

The previous prime is 1141423663. The next prime is 1141423667. The reversal of 1141423664 is 4663241411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141423664.

It is not an unprimeable number, because it can be changed into a prime (1141423663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35669474 + ... + 35669505.

It is an arithmetic number, because the mean of its divisors is an integer number (221150838).

Almost surely, 2^1141423664 is an apocalyptic number.

It is an amenable number.

1141423664 is a deficient number, since it is larger than the sum of its proper divisors (1070084716).

1141423664 is an equidigital number, since it uses as much as digits as its factorization.

1141423664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71338987 (or 71338981 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1141423664 is about 33784.9620985432. The cubic root of 1141423664 is about 1045.0786061456.

The spelling of 1141423664 in words is "one billion, one hundred forty-one million, four hundred twenty-three thousand, six hundred sixty-four".