133421296 has 20 divisors (see below), whose sum is σ = 260923032. Its totient is φ = 66086336.

The previous prime is 133421291. The next prime is 133421311. The reversal of 133421296 is 692124331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133421291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37255 + ... + 40678.

Almost surely, 2^133421296 is an apocalyptic number.

133421296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133421296 is a deficient number, since it is larger than the sum of its proper divisors (127501736).

133421296 is a wasteful number, since it uses less digits than its factorization.

133421296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78048 (or 78042 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 133421296 is about 11550.8136509945. The cubic root of 133421296 is about 510.9852746014.

The spelling of 133421296 in words is "one hundred thirty-three million, four hundred twenty-one thousand, two hundred ninety-six".