133420072 has 16 divisors (see below), whose sum is σ = 250302240. Its totient is φ = 66672816.

The previous prime is 133420069. The next prime is 133420073. The reversal of 133420072 is 270024331.

It is a super-2 number, since 2×133420072² = 35601831224970368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133420073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15943 + ... + 22825.

It is an arithmetic number, because the mean of its divisors is an integer number (15643890).

Almost surely, 2^133420072 is an apocalyptic number.

It is an amenable number.

133420072 is a deficient number, since it is larger than the sum of its proper divisors (116882168).

133420072 is a wasteful number, since it uses less digits than its factorization.

133420072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312 (or 9308 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 133420072 is about 11550.7606675924. The cubic root of 133420072 is about 510.9837120126.

The spelling of 133420072 in words is "one hundred thirty-three million, four hundred twenty thousand, seventy-two".