133120355 has 8 divisors (see below), whose sum is σ = 164897664. Its totient is φ = 103060800.

The previous prime is 133120333. The next prime is 133120367. The reversal of 133120355 is 553021331.

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

It is a de Polignac number, because none of the positive numbers 2^k-133120355 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133120355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429266 + ... + 429575.

It is an arithmetic number, because the mean of its divisors is an integer number (20612208).

Almost surely, 2^133120355 is an apocalyptic number.

133120355 is a deficient number, since it is larger than the sum of its proper divisors (31777309).

133120355 is an equidigital number, since it uses as much as digits as its factorization.

133120355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858877.

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

The square root of 133120355 is about 11537.7794657378. The cubic root of 133120355 is about 510.6007977924.

Adding to 133120355 its reverse (553021331), we get a palindrome (686141686).

The spelling of 133120355 in words is "one hundred thirty-three million, one hundred twenty thousand, three hundred fifty-five".