1142400036 has 24 divisors (see below), whose sum is σ = 2667218400. Its totient is φ = 380568832.

The previous prime is 1142400031. The next prime is 1142400037. The reversal of 1142400036 is 6300042411.

It is a junction number, because it is equal to n+sod(n) for n = 1142399985 and 1142400021.

It is not an unprimeable number, because it can be changed into a prime (1142400031) 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 in 7 ways as a sum of consecutive naturals, for example, 7686 + ... + 48413.

It is an arithmetic number, because the mean of its divisors is an integer number (111134100).

Almost surely, 2^1142400036 is an apocalyptic number.

It is an amenable number.

1142400036 is an abundant number, since it is smaller than the sum of its proper divisors (1524818364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142400036 is a wasteful number, since it uses less digits than its factorization.

1142400036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803 (or 57801 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1142400036 is about 33799.4088113979. The cubic root of 1142400036 is about 1045.3765074169.

Adding to 1142400036 its reverse (6300042411), we get a palindrome (7442442447).

The spelling of 1142400036 in words is "one billion, one hundred forty-two million, four hundred thousand, thirty-six".