133807698 has 24 divisors (see below), whose sum is σ = 302522688. Its totient is φ = 42663192.

The previous prime is 133807679. The next prime is 133807699. The reversal of 133807698 is 896708331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133807699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161190 + ... + 162017.

It is an arithmetic number, because the mean of its divisors is an integer number (12605112).

Almost surely, 2^133807698 is an apocalyptic number.

133807698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

133807698 is an abundant number, since it is smaller than the sum of its proper divisors (168714990).

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

133807698 is a wasteful number, since it uses less digits than its factorization.

133807698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323238 (or 323235 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 133807698 is about 11567.5277393227. The cubic root of 133807698 is about 511.4780880584.

The spelling of 133807698 in words is "one hundred thirty-three million, eight hundred seven thousand, six hundred ninety-eight".