133120361 has 8 divisors (see below), whose sum is σ = 147603648. Its totient is φ = 119034000.

The previous prime is 133120333. The next prime is 133120367. The reversal of 133120361 is 163021331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133120361 - 2¹⁴ = 133103977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133120367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98525 + ... + 99866.

It is an arithmetic number, because the mean of its divisors is an integer number (18450456).

Almost surely, 2^133120361 is an apocalyptic number.

133120361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133120361 is a deficient number, since it is larger than the sum of its proper divisors (14483287).

133120361 is a wasteful number, since it uses less digits than its factorization.

133120361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198463.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 133120361 is about 11537.7797257531. The cubic root of 133120361 is about 510.6008054637.

Adding to 133120361 its reverse (163021331), we get a palindrome (296141692).

The spelling of 133120361 in words is "one hundred thirty-three million, one hundred twenty thousand, three hundred sixty-one".