355120135 has 8 divisors (see below), whose sum is σ = 426270096. Its totient is φ = 284012160.

The previous prime is 355120121. The next prime is 355120151. The reversal of 355120135 is 531021553.

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

It is not a de Polignac number, because 355120135 - 2⁹ = 355119623 is a prime.

It is a super-2 number, since 2×355120135² = 252220620564836450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12832 + ... + 29578.

It is an arithmetic number, because the mean of its divisors is an integer number (53283762).

Almost surely, 2^355120135 is an apocalyptic number.

355120135 is a deficient number, since it is larger than the sum of its proper divisors (71149961).

355120135 is a wasteful number, since it uses less digits than its factorization.

355120135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 355120135 is about 18844.6314636291. The cubic root of 355120135 is about 708.1497383769.

Adding to 355120135 its reverse (531021553), we get a palindrome (886141688).

The spelling of 355120135 in words is "three hundred fifty-five million, one hundred twenty thousand, one hundred thirty-five".