133753400 has 72 divisors (see below), whose sum is σ = 341879160. Its totient is φ = 48628800.

The previous prime is 133753387. The next prime is 133753429. The reversal of 133753400 is 4357331.

It is a self number, because there is not a number n which added to its sum of digits gives 133753400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21437 + ... + 26963.

Almost surely, 2^133753400 is an apocalyptic number.

133753400 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 133753400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170939580).

133753400 is an abundant number, since it is smaller than the sum of its proper divisors (208125760).

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

133753400 is a wasteful number, since it uses less digits than its factorization.

133753400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 133753400 is about 11565.1805001046. The cubic root of 133753400 is about 511.4088942450.

The spelling of 133753400 in words is "one hundred thirty-three million, seven hundred fifty-three thousand, four hundred".