1142669536 has 12 divisors (see below), whose sum is σ = 2249630712. Its totient is φ = 571334752.

The previous prime is 1142669531. The next prime is 1142669551. The reversal of 1142669536 is 6359662411.

It is a junction number, because it is equal to n+sod(n) for n = 1142669492 and 1142669501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142669531) 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, 17854180 + ... + 17854243.

It is an arithmetic number, because the mean of its divisors is an integer number (187469226).

Almost surely, 2^1142669536 is an apocalyptic number.

1142669536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1142669536 is a deficient number, since it is larger than the sum of its proper divisors (1106961176).

1142669536 is an equidigital number, since it uses as much as digits as its factorization.

1142669536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35708433 (or 35708425 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 1142669536 is about 33803.3953324219. The cubic root of 1142669536 is about 1045.4587047818.

The spelling of 1142669536 in words is "one billion, one hundred forty-two million, six hundred sixty-nine thousand, five hundred thirty-six".