1142368340 has 24 divisors (see below), whose sum is σ = 2463812232. Its totient is φ = 444597120.

The previous prime is 1142368333. The next prime is 1142368349. The reversal of 1142368340 is 438632411.

It can be written as a sum of positive squares in 4 ways, for example, as 537405124 + 604963216 = 23182^2 + 24596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142368297 and 1142368306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142368349) 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, 771131 + ... + 772610.

It is an arithmetic number, because the mean of its divisors is an integer number (102658843).

Almost surely, 2^1142368340 is an apocalyptic number.

1142368340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142368340 is an abundant number, since it is smaller than the sum of its proper divisors (1321443892).

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

1142368340 is a wasteful number, since it uses less digits than its factorization.

1142368340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543787 (or 1543785 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1142368340 is about 33798.9399242047. The cubic root of 1142368340 is about 1045.3668393032.

The spelling of 1142368340 in words is "one billion, one hundred forty-two million, three hundred sixty-eight thousand, three hundred forty".