356121342 has 12 divisors (see below), whose sum is σ = 771596280. Its totient is φ = 118707108.

The previous prime is 356121289. The next prime is 356121343. The reversal of 356121342 is 243121653.

356121342 is a `hidden beast` number, since 3 + 5 + 612 + 1 + 3 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356121343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9892242 + ... + 9892277.

It is an arithmetic number, because the mean of its divisors is an integer number (64299690).

Almost surely, 2^356121342 is an apocalyptic number.

356121342 is an abundant number, since it is smaller than the sum of its proper divisors (415474938).

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

356121342 is a wasteful number, since it uses less digits than its factorization.

356121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784527 (or 19784524 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 356121342 is about 18871.1775467245. The cubic root of 356121342 is about 708.8146206116.

Adding to 356121342 its reverse (243121653), we get a palindrome (599242995).

The spelling of 356121342 in words is "three hundred fifty-six million, one hundred twenty-one thousand, three hundred forty-two".