133727739 has 4 divisors (see below), whose sum is σ = 178303656. Its totient is φ = 89151824.

The previous prime is 133727723. The next prime is 133727749. The reversal of 133727739 is 937727331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937727331 = 3 ⋅312575777.

It is a cyclic number.

It is not a de Polignac number, because 133727739 - 2⁴ = 133727723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133727739.

It is not an unprimeable number, because it can be changed into a prime (133727749) 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, 22287954 + ... + 22287959.

It is an arithmetic number, because the mean of its divisors is an integer number (44575914).

Almost surely, 2^133727739 is an apocalyptic number.

133727739 is a deficient number, since it is larger than the sum of its proper divisors (44575917).

133727739 is an equidigital number, since it uses as much as digits as its factorization.

133727739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44575916.

The product of its digits is 166698, while the sum is 42.

The square root of 133727739 is about 11564.0710392145. The cubic root of 133727739 is about 511.3761870317.

The spelling of 133727739 in words is "one hundred thirty-three million, seven hundred twenty-seven thousand, seven hundred thirty-nine".