133720698 has 16 divisors (see below), whose sum is σ = 268485120. Its totient is φ = 44399616.

The previous prime is 133720673. The next prime is 133720703. The reversal of 133720698 is 896027331.

133720698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 41818 + ... + 44901.

It is an arithmetic number, because the mean of its divisors is an integer number (16780320).

Almost surely, 2^133720698 is an apocalyptic number.

133720698 is an abundant number, since it is smaller than the sum of its proper divisors (134764422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133720698 is a wasteful number, since it uses less digits than its factorization.

133720698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86981.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 133720698 is about 11563.7666008961. The cubic root of 133720698 is about 511.3672119231.

The spelling of 133720698 in words is "one hundred thirty-three million, seven hundred twenty thousand, six hundred ninety-eight".