355120133 has 4 divisors (see below), whose sum is σ = 355373580. Its totient is φ = 354866688.

The previous prime is 355120121. The next prime is 355120151. The reversal of 355120133 is 331021553.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7745089 + 347375044 = 2783^2 + 18638^2 .

It is a cyclic number.

It is not a de Polignac number, because 355120133 - 2¹² = 355116037 is a prime.

It is a super-2 number, since 2×355120133² = 252220617723875378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355120099 and 355120108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355120333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124610 + ... + 127427.

It is an arithmetic number, because the mean of its divisors is an integer number (88843395).

Almost surely, 2^355120133 is an apocalyptic number.

It is an amenable number.

355120133 is a deficient number, since it is larger than the sum of its proper divisors (253447).

355120133 is a wasteful number, since it uses less digits than its factorization.

355120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253446.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 355120133 is about 18844.6314105636. The cubic root of 355120133 is about 708.1497370474.

Adding to 355120133 its reverse (331021553), we get a palindrome (686141686).

The spelling of 355120133 in words is "three hundred fifty-five million, one hundred twenty thousand, one hundred thirty-three".