767148138 has 32 divisors (see below), whose sum is σ = 1723939200. Its totient is φ = 252841248.

The previous prime is 767148131. The next prime is 767148157. The reversal of 767148138 is 831841767.

767148138 is a `hidden beast` number, since 76 + 71 + 481 + 38 = 666.

767148138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 767148093 and 767148102.

It is not an unprimeable number, because it can be changed into a prime (767148131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75006 + ... + 84617.

It is an arithmetic number, because the mean of its divisors is an integer number (53873100).

Almost surely, 2^767148138 is an apocalyptic number.

767148138 is an abundant number, since it is smaller than the sum of its proper divisors (956791062).

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

767148138 is a wasteful number, since it uses less digits than its factorization.

767148138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159723 (or 159717 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 767148138 is about 27697.4391957091. The cubic root of 767148138 is about 915.4326789989.

The spelling of 767148138 in words is "seven hundred sixty-seven million, one hundred forty-eight thousand, one hundred thirty-eight".