355138 has 8 divisors (see below), whose sum is σ = 608832. Its totient is φ = 152196.

The previous prime is 355127. The next prime is 355139. The reversal of 355138 is 831553.

It is a happy number.

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

It is a super-2 number, since 2×355138² = 252245998088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355139) 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, 12670 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (76104).

2³⁵⁵¹³⁸ is an apocalyptic number.

355138 is a deficient number, since it is larger than the sum of its proper divisors (253694).

355138 is a wasteful number, since it uses less digits than its factorization.

355138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376.

The product of its digits is 1800, while the sum is 25.

The square root of 355138 is about 595.9345601658. The cubic root of 355138 is about 70.8161613122.

The spelling of 355138 in words is "three hundred fifty-five thousand, one hundred thirty-eight".