133453400 has 48 divisors (see below), whose sum is σ = 328539240. Its totient is φ = 50240000.

The previous prime is 133453399. The next prime is 133453427. The reversal of 133453400 is 4354331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16226 + ... + 23025.

Almost surely, 2^133453400 is an apocalyptic number.

133453400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133453400 is an abundant number, since it is smaller than the sum of its proper divisors (195085840).

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

133453400 is a wasteful number, since it uses less digits than its factorization.

133453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284 (or 39275 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133453400 is about 11552.2032530596. The cubic root of 133453400 is about 511.0262559544.

The spelling of 133453400 in words is "one hundred thirty-three million, four hundred fifty-three thousand, four hundred".