133726741 has 4 divisors (see below), whose sum is σ = 134006400. Its totient is φ = 133447084.

The previous prime is 133726721. The next prime is 133726787. The reversal of 133726741 is 147627331.

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: 147627331 = 67 ⋅2203393.

It is a cyclic number.

It is not a de Polignac number, because 133726741 - 2²³ = 125338133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133726697 and 133726706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133726711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139111 + ... + 140068.

It is an arithmetic number, because the mean of its divisors is an integer number (33501600).

Almost surely, 2^133726741 is an apocalyptic number.

It is an amenable number.

133726741 is a deficient number, since it is larger than the sum of its proper divisors (279659).

133726741 is an equidigital number, since it uses as much as digits as its factorization.

133726741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279658.

The product of its digits is 21168, while the sum is 34.

The square root of 133726741 is about 11564.0278882403. The cubic root of 133726741 is about 511.3749149079.

The spelling of 133726741 in words is "one hundred thirty-three million, seven hundred twenty-six thousand, seven hundred forty-one".