752138 has 8 divisors (see below), whose sum is σ = 1140132. Its totient is φ = 372096.

The previous prime is 752137. The next prime is 752149. The reversal of 752138 is 831257.

752138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 734449 + 17689 = 857^2 + 133^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (752137) 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, 1745 + ... + 2132.

2⁷⁵²¹³⁸ is an apocalyptic number.

752138 is a deficient number, since it is larger than the sum of its proper divisors (387994).

752138 is a wasteful number, since it uses less digits than its factorization.

752138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976.

The product of its digits is 1680, while the sum is 26.

The square root of 752138 is about 867.2589002138. The cubic root of 752138 is about 90.9422811537.

The spelling of 752138 in words is "seven hundred fifty-two thousand, one hundred thirty-eight".