133398064 has 10 divisors (see below), whose sum is σ = 258458780. Its totient is φ = 66699024.

The previous prime is 133398043. The next prime is 133398101. The reversal of 133398064 is 460893331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4168674 + ... + 4168705.

It is an arithmetic number, because the mean of its divisors is an integer number (25845878).

Almost surely, 2^133398064 is an apocalyptic number.

It is an amenable number.

133398064 is a deficient number, since it is larger than the sum of its proper divisors (125060716).

133398064 is an equidigital number, since it uses as much as digits as its factorization.

133398064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337387 (or 8337381 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 133398064 is about 11549.8079637715. The cubic root of 133398064 is about 510.9556144214.

The spelling of 133398064 in words is "one hundred thirty-three million, three hundred ninety-eight thousand, sixty-four".