1142061436 has 6 divisors (see below), whose sum is σ = 1998607520. Its totient is φ = 571030716.

The previous prime is 1142061433. The next prime is 1142061497. The reversal of 1142061436 is 6341602411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142061433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142757676 + ... + 142757683.

Almost surely, 2^1142061436 is an apocalyptic number.

It is an amenable number.

1142061436 is a deficient number, since it is larger than the sum of its proper divisors (856546084).

1142061436 is a wasteful number, since it uses less digits than its factorization.

1142061436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285515363 (or 285515361 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1142061436 is about 33794.3994768364. The cubic root of 1142061436 is about 1045.2732162606.

Adding to 1142061436 its reverse (6341602411), we get a palindrome (7483663847).

The spelling of 1142061436 in words is "one billion, one hundred forty-two million, sixty-one thousand, four hundred thirty-six".