755138 has 8 divisors (see below), whose sum is σ = 1160460. Its totient is φ = 368320.

The previous prime is 755137. The next prime is 755143. The reversal of 755138 is 831557.

It can be written as a sum of positive squares in 2 ways, for example, as 597529 + 157609 = 773^2 + 397^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 755138.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 755138.

It is not an unprimeable number, because it can be changed into a prime (755137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4523 + ... + 4686.

2⁷⁵⁵¹³⁸ is an apocalyptic number.

755138 is a deficient number, since it is larger than the sum of its proper divisors (405322).

755138 is a wasteful number, since it uses less digits than its factorization.

755138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252.

The product of its digits is 4200, while the sum is 29.

The square root of 755138 is about 868.9867662974. The cubic root of 755138 is about 91.0630324476.

The spelling of 755138 in words is "seven hundred fifty-five thousand, one hundred thirty-eight".