133408773 has 6 divisors (see below), whose sum is σ = 192701574. Its totient is φ = 88939176.

The previous prime is 133408753. The next prime is 133408813. The reversal of 133408773 is 377804331.

It can be written as a sum of positive squares in only one way, i.e., 130370724 + 3038049 = 11418^2 + 1743^2 .

It is not a de Polignac number, because 133408773 - 2¹⁶ = 133343237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133408703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7411590 + ... + 7411607.

It is an arithmetic number, because the mean of its divisors is an integer number (32116929).

Almost surely, 2^133408773 is an apocalyptic number.

It is an amenable number.

133408773 is a deficient number, since it is larger than the sum of its proper divisors (59292801).

133408773 is a wasteful number, since it uses less digits than its factorization.

133408773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823203 (or 14823200 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 133408773 is about 11550.2715552493. The cubic root of 133408773 is about 510.9692869767.

The spelling of 133408773 in words is "one hundred thirty-three million, four hundred eight thousand, seven hundred seventy-three".