133463700 has 90 divisors (see below), whose sum is σ = 432662846. Its totient is φ = 35588160.

The previous prime is 133463677. The next prime is 133463747. The reversal of 133463700 is 7364331.

It is a happy number.

133463700 is a `hidden beast` number, since 133 + 463 + 70 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3640464 + 129823236 = 1908^2 + 11394^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 139 + ... + 16338.

Almost surely, 2^133463700 is an apocalyptic number.

133463700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133463700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216331423).

133463700 is an abundant number, since it is smaller than the sum of its proper divisors (299199146).

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

133463700 is a wasteful number, since it uses less digits than its factorization.

133463700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 133463700 is about 11552.6490468637. The cubic root of 133463700 is about 511.0394027033.

The spelling of 133463700 in words is "one hundred thirty-three million, four hundred sixty-three thousand, seven hundred".