133120131 has 16 divisors (see below), whose sum is σ = 183824256. Its totient is φ = 85631616.

The previous prime is 133120103. The next prime is 133120133. The reversal of 133120131 is 131021331.

It is not a de Polignac number, because 133120131 - 2¹³ = 133111939 is a prime.

It is a super-2 number, since 2×133120131² = 35441938554914322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133120131.

It is not an unprimeable number, because it can be changed into a prime (133120133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4491 + ... + 16923.

It is an arithmetic number, because the mean of its divisors is an integer number (11489016).

Almost surely, 2^133120131 is an apocalyptic number.

133120131 is a deficient number, since it is larger than the sum of its proper divisors (50704125).

133120131 is a wasteful number, since it uses less digits than its factorization.

133120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133120131 is about 11537.7697584932. The cubic root of 133120131 is about 510.6005113983.

Adding to 133120131 its reverse (131021331), we get a palindrome (264141462).

The spelling of 133120131 in words is "one hundred thirty-three million, one hundred twenty thousand, one hundred thirty-one".