356140 has 12 divisors (see below), whose sum is σ = 747936. Its totient is φ = 142448.

The previous prime is 356137. The next prime is 356141. The reversal of 356140 is 41653.

It is an Ulam number.

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (356141) 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 in 3 ways as a sum of consecutive naturals, for example, 8884 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (62328).

2³⁵⁶¹⁴⁰ is an apocalyptic number.

It is an amenable number.

356140 is an abundant number, since it is smaller than the sum of its proper divisors (391796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

356140 is a wasteful number, since it uses less digits than its factorization.

356140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17816 (or 17814 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 356140 is about 596.7746643416. The cubic root of 356140 is about 70.8826999194.

Adding to 356140 its reverse (41653), we get a palindrome (397793).

It can be divided in two parts, 356 and 140, that added together give a triangular number (496 = T₃₁).

The spelling of 356140 in words is "three hundred fifty-six thousand, one hundred forty".