965138 has 4 divisors (see below), whose sum is σ = 1447710. Its totient is φ = 482568.

The previous prime is 965131. The next prime is 965147. The reversal of 965138 is 831569.

965138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831569 = 149 ⋅5581.

It can be written as a sum of positive squares in only one way, i.e., 954529 + 10609 = 977^2 + 103^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 965138.

It is not an unprimeable number, because it can be changed into a prime (965131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241283 + ... + 241286.

2⁹⁶⁵¹³⁸ is an apocalyptic number.

965138 is a deficient number, since it is larger than the sum of its proper divisors (482572).

965138 is a wasteful number, since it uses less digits than its factorization.

965138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482571.

The product of its digits is 6480, while the sum is 32.

The square root of 965138 is about 982.4143728590. The cubic root of 965138 is about 98.8241615634.

The spelling of 965138 in words is "nine hundred sixty-five thousand, one hundred thirty-eight".