133130553 has 16 divisors (see below), whose sum is σ = 188225856. Its totient is φ = 83409920.

The previous prime is 133130539. The next prime is 133130573. The reversal of 133130553 is 355031331.

It is a cyclic number.

It is not a de Polignac number, because 133130553 - 2¹³ = 133122361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133130513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43450 + ... + 46412.

It is an arithmetic number, because the mean of its divisors is an integer number (11764116).

Almost surely, 2^133130553 is an apocalyptic number.

It is an amenable number.

133130553 is a deficient number, since it is larger than the sum of its proper divisors (55095303).

133130553 is a wasteful number, since it uses less digits than its factorization.

133130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133130553 is about 11538.2213967318. The cubic root of 133130553 is about 510.6138360538.

Adding to 133130553 its reverse (355031331), we get a palindrome (488161884).

The spelling of 133130553 in words is "one hundred thirty-three million, one hundred thirty thousand, five hundred fifty-three".