133364898 has 96 divisors (see below), whose sum is σ = 318427200. Its totient is φ = 40178688.

The previous prime is 133364867. The next prime is 133364911. The reversal of 133364898 is 898463331.

133364898 is a `hidden beast` number, since 133 + 36 + 489 + 8 = 666.

Its product of digits (373248) is a multiple of the sum of its prime factors (256).

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 47 ways as a sum of consecutive naturals, for example, 1498438 + ... + 1498526.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^133364898 is an apocalyptic number.

133364898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133364898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159213600).

133364898 is an abundant number, since it is smaller than the sum of its proper divisors (185062302).

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

133364898 is a wasteful number, since it uses less digits than its factorization.

133364898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 133364898 is about 11548.3720930701. The cubic root of 133364898 is about 510.9132655846.

The spelling of 133364898 in words is "one hundred thirty-three million, three hundred sixty-four thousand, eight hundred ninety-eight".