769138 has 16 divisors (see below), whose sum is σ = 1215000. Its totient is φ = 364672.

The previous prime is 769123. The next prime is 769147. The reversal of 769138 is 831967.

It can be written as a sum of positive squares in 4 ways, for example, as 400689 + 368449 = 633^2 + 607^2 .

It is an unprimeable number.

769138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088 + ... + 5236.

2⁷⁶⁹¹³⁸ is an apocalyptic number.

769138 is a deficient number, since it is larger than the sum of its proper divisors (445862).

769138 is a wasteful number, since it uses less digits than its factorization.

769138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 9072, while the sum is 34.

The square root of 769138 is about 877.0051311138. The cubic root of 769138 is about 91.6223491928.

The spelling of 769138 in words is "seven hundred sixty-nine thousand, one hundred thirty-eight".