133120983 has 4 divisors (see below), whose sum is σ = 177494648. Its totient is φ = 88747320.

The previous prime is 133120979. The next prime is 133120993. The reversal of 133120983 is 389021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389021331 = 3 ⋅129673777.

It is not a de Polignac number, because 133120983 - 2² = 133120979 is a prime.

It is a super-2 number, since 2×133120983² = 35442392229772578, which contains 22 as substring.

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 133120983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22186828 + ... + 22186833.

It is an arithmetic number, because the mean of its divisors is an integer number (44373662).

Almost surely, 2^133120983 is an apocalyptic number.

133120983 is a deficient number, since it is larger than the sum of its proper divisors (44373665).

133120983 is an equidigital number, since it uses as much as digits as its factorization.

133120983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373664.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 133120983 is about 11537.8066806478. The cubic root of 133120983 is about 510.6016007169.

The spelling of 133120983 in words is "one hundred thirty-three million, one hundred twenty thousand, nine hundred eighty-three".