133741553 has 4 divisors (see below), whose sum is σ = 145899888. Its totient is φ = 121583220.

The previous prime is 133741529. The next prime is 133741561. The reversal of 133741553 is 355147331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133741553 - 2¹⁴ = 133725169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133741523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6079151 + ... + 6079172.

It is an arithmetic number, because the mean of its divisors is an integer number (36474972).

Almost surely, 2^133741553 is an apocalyptic number.

It is an amenable number.

133741553 is a deficient number, since it is larger than the sum of its proper divisors (12158335).

133741553 is a wasteful number, since it uses less digits than its factorization.

133741553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12158334.

The product of its digits is 18900, while the sum is 32.

The square root of 133741553 is about 11564.6683047980. The cubic root of 133741553 is about 511.3937947159.

Adding to 133741553 its reverse (355147331), we get a palindrome (488888884).

The spelling of 133741553 in words is "one hundred thirty-three million, seven hundred forty-one thousand, five hundred fifty-three".