1142069380 has 24 divisors (see below), whose sum is σ = 2463167448. Its totient is φ = 444480768.

The previous prime is 1142069351. The next prime is 1142069399. The reversal of 1142069380 is 839602411.

1142069380 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 293162884 + 848906496 = 17122^2 + 29136^2 .

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, 770929 + ... + 772408.

It is an arithmetic number, because the mean of its divisors is an integer number (102631977).

Almost surely, 2^1142069380 is an apocalyptic number.

1142069380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142069380 is an abundant number, since it is smaller than the sum of its proper divisors (1321098068).

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

1142069380 is a wasteful number, since it uses less digits than its factorization.

1142069380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543383 (or 1543381 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1142069380 is about 33794.5170108999. The cubic root of 1142069380 is about 1045.2756398404.

The spelling of 1142069380 in words is "one billion, one hundred forty-two million, sixty-nine thousand, three hundred eighty".