133774765 has 16 divisors (see below), whose sum is σ = 166579200. Its totient is φ = 103023360.

The previous prime is 133774741. The next prime is 133774783. The reversal of 133774765 is 567477331.

It is not a de Polignac number, because 133774765 - 2⁷ = 133774637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28677 + ... + 33013.

It is an arithmetic number, because the mean of its divisors is an integer number (10411200).

Almost surely, 2^133774765 is an apocalyptic number.

It is an amenable number.

133774765 is a deficient number, since it is larger than the sum of its proper divisors (32804435).

133774765 is a wasteful number, since it uses less digits than its factorization.

133774765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572.

The product of its digits is 370440, while the sum is 43.

The square root of 133774765 is about 11566.1041409802. The cubic root of 133774765 is about 511.4361226353.

The spelling of 133774765 in words is "one hundred thirty-three million, seven hundred seventy-four thousand, seven hundred sixty-five".