1142733740 has 24 divisors (see below), whose sum is σ = 2439083472. Its totient is φ = 449599680.

The previous prime is 1142733731. The next prime is 1142733769. The reversal of 1142733740 is 473372411.

It is a junction number, because it is equal to n+sod(n) for n = 1142733697 and 1142733706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467114 + ... + 469553.

It is an arithmetic number, because the mean of its divisors is an integer number (101628478).

Almost surely, 2^1142733740 is an apocalyptic number.

1142733740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142733740 is an abundant number, since it is smaller than the sum of its proper divisors (1296349732).

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

1142733740 is a wasteful number, since it uses less digits than its factorization.

1142733740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936737 (or 936735 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1142733740 is about 33804.3449869983. The cubic root of 1142733740 is about 1045.4782850633.

The spelling of 1142733740 in words is "one billion, one hundred forty-two million, seven hundred thirty-three thousand, seven hundred forty".