235138 has 8 divisors (see below), whose sum is σ = 356940. Its totient is φ = 116160.

The previous prime is 235117. The next prime is 235159. The reversal of 235138 is 831532.

It is an interprime number because it is at equal distance from previous prime (235117) and next prime (235159).

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 1849 = 483^2 + 43^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483 + ... + 838.

2²³⁵¹³⁸ is an apocalyptic number.

235138 is a deficient number, since it is larger than the sum of its proper divisors (121802).

235138 is a wasteful number, since it uses less digits than its factorization.

235138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its digits is 720, while the sum is 22.

The square root of 235138 is about 484.9103009836. The cubic root of 235138 is about 61.7221349797.

It can be divided in two parts, 235 and 138, that added together give a palindrome (373).

The spelling of 235138 in words is "two hundred thirty-five thousand, one hundred thirty-eight".