356138 has 4 divisors (see below), whose sum is σ = 534210. Its totient is φ = 178068.

The previous prime is 356137. The next prime is 356141. The reversal of 356138 is 831653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 4489 = 593^2 + 67^2 .

It is not an unprimeable number, because it can be changed into a prime (356137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89033 + ... + 89036.

2³⁵⁶¹³⁸ is an apocalyptic number.

356138 is a deficient number, since it is larger than the sum of its proper divisors (178072).

356138 is a wasteful number, since it uses less digits than its factorization.

356138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178071.

The product of its digits is 2160, while the sum is 26.

The square root of 356138 is about 596.7729886649. The cubic root of 356138 is about 70.8825672322.

It can be divided in two parts, 356 and 138, that added together give a palindrome (494).

The spelling of 356138 in words is "three hundred fifty-six thousand, one hundred thirty-eight".