1335785138 has 8 divisors (see below), whose sum is σ = 2004179760. Its totient is φ = 667725220.

The previous prime is 1335785131. The next prime is 1335785141. The reversal of 1335785138 is 8315875331.

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 (1335785131) 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, 73448 + ... + 89811.

It is an arithmetic number, because the mean of its divisors is an integer number (250522470).

Almost surely, 2^1335785138 is an apocalyptic number.

1335785138 is a deficient number, since it is larger than the sum of its proper divisors (668394622).

1335785138 is a wasteful number, since it uses less digits than its factorization.

1335785138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167352.

The product of its digits is 302400, while the sum is 44.

The square root of 1335785138 is about 36548.3944654208. The cubic root of 1335785138 is about 1101.3166432519.

The spelling of 1335785138 in words is "one billion, three hundred thirty-five million, seven hundred eighty-five thousand, one hundred thirty-eight".