133276785 has 8 divisors (see below), whose sum is σ = 213242880. Its totient is φ = 71080944.

The previous prime is 133276763. The next prime is 133276831. The reversal of 133276785 is 587672331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133276785 - 2⁸ = 133276529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442545 + ... + 4442574.

It is an arithmetic number, because the mean of its divisors is an integer number (26655360).

Almost surely, 2^133276785 is an apocalyptic number.

133276785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133276785 is a deficient number, since it is larger than the sum of its proper divisors (79966095).

133276785 is an equidigital number, since it uses as much as digits as its factorization.

133276785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885127.

The product of its digits is 211680, while the sum is 42.

The square root of 133276785 is about 11544.5565094550. The cubic root of 133276785 is about 510.8007221811.

The spelling of 133276785 in words is "one hundred thirty-three million, two hundred seventy-six thousand, seven hundred eighty-five".