356135121 has 12 divisors (see below), whose sum is σ = 525363072. Its totient is φ = 232371576.

The previous prime is 356135093. The next prime is 356135123. The reversal of 356135121 is 121531653.

356135121 is a `hidden beast` number, since 35 + 613 + 5 + 12 + 1 = 666.

It is not a de Polignac number, because 356135121 - 2⁵ = 356135089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356135123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420541 + ... + 421386.

It is an arithmetic number, because the mean of its divisors is an integer number (43780256).

Almost surely, 2^356135121 is an apocalyptic number.

It is an amenable number.

356135121 is a deficient number, since it is larger than the sum of its proper divisors (169227951).

356135121 is a wasteful number, since it uses less digits than its factorization.

356135121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841980 (or 841977 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 356135121 is about 18871.5426237497. The cubic root of 356135121 is about 708.8237622809.

Adding to 356135121 its reverse (121531653), we get a palindrome (477666774).

The spelling of 356135121 in words is "three hundred fifty-six million, one hundred thirty-five thousand, one hundred twenty-one".