133766337 has 4 divisors (see below), whose sum is σ = 178355120. Its totient is φ = 89177556.

The previous prime is 133766323. The next prime is 133766341. The reversal of 133766337 is 733667331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733667331 = 3 ⋅244555777.

It is not a de Polignac number, because 133766337 - 2⁶ = 133766273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133766295 and 133766304.

It is not an unprimeable number, because it can be changed into a prime (133766537) 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, 22294387 + ... + 22294392.

It is an arithmetic number, because the mean of its divisors is an integer number (44588780).

Almost surely, 2^133766337 is an apocalyptic number.

It is an amenable number.

133766337 is a deficient number, since it is larger than the sum of its proper divisors (44588783).

133766337 is an equidigital number, since it uses as much as digits as its factorization.

133766337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44588782.

The product of its digits is 142884, while the sum is 39.

The square root of 133766337 is about 11565.7397947559. The cubic root of 133766337 is about 511.4253820092.

The spelling of 133766337 in words is "one hundred thirty-three million, seven hundred sixty-six thousand, three hundred thirty-seven".