381837135 has 8 divisors (see below), whose sum is σ = 610939440. Its totient is φ = 203646464.

The previous prime is 381837133. The next prime is 381837163. The reversal of 381837135 is 531738183.

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

It is a cyclic number.

It is not a de Polignac number, because 381837135 - 2¹ = 381837133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381837093 and 381837102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381837133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12727890 + ... + 12727919.

It is an arithmetic number, because the mean of its divisors is an integer number (76367430).

Almost surely, 2^381837135 is an apocalyptic number.

381837135 is a deficient number, since it is larger than the sum of its proper divisors (229102305).

381837135 is a wasteful number, since it uses less digits than its factorization.

381837135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25455817.

The product of its digits is 60480, while the sum is 39.

The square root of 381837135 is about 19540.6533923510. The cubic root of 381837135 is about 725.4810188753.

The spelling of 381837135 in words is "three hundred eighty-one million, eight hundred thirty-seven thousand, one hundred thirty-five".