133712041 has 4 divisors (see below), whose sum is σ = 139525632. Its totient is φ = 127898452.

The previous prime is 133712017. The next prime is 133712053. The reversal of 133712041 is 140217331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140217331 = 2207 ⋅63533.

It is a cyclic number.

It is not a de Polignac number, because 133712041 - 2⁵ = 133712009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133712071) 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, 2906761 + ... + 2906806.

It is an arithmetic number, because the mean of its divisors is an integer number (34881408).

Almost surely, 2^133712041 is an apocalyptic number.

It is an amenable number.

133712041 is a deficient number, since it is larger than the sum of its proper divisors (5813591).

133712041 is an equidigital number, since it uses as much as digits as its factorization.

133712041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813590.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 133712041 is about 11563.3922790849. The cubic root of 133712041 is about 511.3561764799.

Adding to 133712041 its reverse (140217331), we get a palindrome (273929372).

The spelling of 133712041 in words is "one hundred thirty-three million, seven hundred twelve thousand, forty-one".