133554852 has 48 divisors (see below), whose sum is σ = 351440320. Its totient is φ = 43851456.

The previous prime is 133554833. The next prime is 133554877. The reversal of 133554852 is 258455331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993 + ... + 16464.

Almost surely, 2^133554852 is an apocalyptic number.

133554852 is a gapful number since it is divisible by the number (12) 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 133554852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175720160).

133554852 is an abundant number, since it is smaller than the sum of its proper divisors (217885468).

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

133554852 is a wasteful number, since it uses less digits than its factorization.

133554852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537 (or 18529 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 133554852 is about 11556.5934427062. The cubic root of 133554852 is about 511.1557181330.

The spelling of 133554852 in words is "one hundred thirty-three million, five hundred fifty-four thousand, eight hundred fifty-two".