380785136 has 10 divisors (see below), whose sum is σ = 737771232. Its totient is φ = 190392560.

The previous prime is 380785133. The next prime is 380785147. The reversal of 380785136 is 631587083.

It is a junction number, because it is equal to n+sod(n) for n = 380785093 and 380785102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380785133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11899520 + ... + 11899551.

Almost surely, 2^380785136 is an apocalyptic number.

It is an amenable number.

380785136 is a deficient number, since it is larger than the sum of its proper divisors (356986096).

380785136 is a wasteful number, since it uses less digits than its factorization.

380785136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23799079 (or 23799073 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 380785136 is about 19513.7166116555. The cubic root of 380785136 is about 724.8141487946.

The spelling of 380785136 in words is "three hundred eighty million, seven hundred eighty-five thousand, one hundred thirty-six".