133764368 has 40 divisors (see below), whose sum is σ = 265583448. Its totient is φ = 65242112.

The previous prime is 133764353. The next prime is 133764391. The reversal of 133764368 is 863467331.

It can be written as a sum of positive squares in 4 ways, for example, as 55830784 + 77933584 = 7472^2 + 8828^2 .

It is a super-2 number, since 2×133764368² = 35785812292878848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197246 + ... + 197922.

Almost surely, 2^133764368 is an apocalyptic number.

It is an amenable number.

133764368 is a deficient number, since it is larger than the sum of its proper divisors (131819080).

133764368 is a wasteful number, since it uses less digits than its factorization.

133764368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 965 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 133764368 is about 11565.6546723478. The cubic root of 133764368 is about 511.4228726546.

The spelling of 133764368 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, three hundred sixty-eight".