235137 has 8 divisors (see below), whose sum is σ = 358336. Its totient is φ = 134352.

The previous prime is 235117. The next prime is 235159. The reversal of 235137 is 731532.

It is a happy number.

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

It is not a de Polignac number, because 235137 - 2⁷ = 235009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11197 = 235137 / (2 + 3 + 5 + 1 + 3 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (44792).

2²³⁵¹³⁷ is an apocalyptic number.

It is an amenable number.

235137 is a deficient number, since it is larger than the sum of its proper divisors (123199).

235137 is a wasteful number, since it uses less digits than its factorization.

235137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207.

The product of its digits is 630, while the sum is 21.

The square root of 235137 is about 484.9092698640. The cubic root of 235137 is about 61.7220474818.

Adding to 235137 its reverse (731532), we get a palindrome (966669).

The spelling of 235137 in words is "two hundred thirty-five thousand, one hundred thirty-seven".