1240133338 has 8 divisors (see below), whose sum is σ = 1860613920. Its totient is φ = 619928700.

The previous prime is 1240133333. The next prime is 1240133347. The reversal of 1240133338 is 8333310421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1240133333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57358 + ... + 75961.

It is an arithmetic number, because the mean of its divisors is an integer number (232576740).

Almost surely, 2^1240133338 is an apocalyptic number.

1240133338 is a deficient number, since it is larger than the sum of its proper divisors (620480582).

1240133338 is a wasteful number, since it uses less digits than its factorization.

1240133338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137972.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1240133338 is about 35215.5269448009. The cubic root of 1240133338 is about 1074.3755776616.

Adding to 1240133338 its reverse (8333310421), we get a palindrome (9573443759).

The spelling of 1240133338 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred thirty-eight".