133516141 has 4 divisors (see below), whose sum is σ = 145653984. Its totient is φ = 121378300.

The previous prime is 133516111. The next prime is 133516151. The reversal of 133516141 is 141615331.

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 a cyclic number.

It is not a de Polignac number, because 133516141 - 2¹⁹ = 132991853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133516111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6068905 + ... + 6068926.

It is an arithmetic number, because the mean of its divisors is an integer number (36413496).

Almost surely, 2^133516141 is an apocalyptic number.

133516141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133516141 is a deficient number, since it is larger than the sum of its proper divisors (12137843).

133516141 is a wasteful number, since it uses less digits than its factorization.

133516141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137842.

The product of its digits is 1080, while the sum is 25.

The square root of 133516141 is about 11554.9184765623. The cubic root of 133516141 is about 511.1063270381.

The spelling of 133516141 in words is "one hundred thirty-three million, five hundred sixteen thousand, one hundred forty-one".