133120412 has 24 divisors (see below), whose sum is σ = 245379456. Its totient is φ = 63066608.

The previous prime is 133120409. The next prime is 133120423. The reversal of 133120412 is 214021331.

It is a congruent number.

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, 3083 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (10224144).

Almost surely, 2^133120412 is an apocalyptic number.

It is an amenable number.

133120412 is a deficient number, since it is larger than the sum of its proper divisors (112259044).

133120412 is a wasteful number, since it uses less digits than its factorization.

133120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657 (or 13655 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 133120412 is about 11537.7819358835. The cubic root of 133120412 is about 510.6008706694.

Adding to 133120412 its reverse (214021331), we get a palindrome (347141743).

The spelling of 133120412 in words is "one hundred thirty-three million, one hundred twenty thousand, four hundred twelve".