133541052 has 24 divisors (see below), whose sum is σ = 329925456. Its totient is φ = 41895168.

The previous prime is 133541039. The next prime is 133541071. The reversal of 133541052 is 250145331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327103 + ... + 327510.

It is an arithmetic number, because the mean of its divisors is an integer number (13746894).

Almost surely, 2^133541052 is an apocalyptic number.

133541052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133541052 is an abundant number, since it is smaller than the sum of its proper divisors (196384404).

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

133541052 is a wasteful number, since it uses less digits than its factorization.

133541052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654637 (or 654635 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 133541052 is about 11555.9963655238. The cubic root of 133541052 is about 511.1381119041.

Adding to 133541052 its reverse (250145331), we get a palindrome (383686383).

The spelling of 133541052 in words is "one hundred thirty-three million, five hundred forty-one thousand, fifty-two".