133837427 has 2 divisors, whose sum is σ = 133837428. Its totient is φ = 133837426.

The previous prime is 133837421. The next prime is 133837433. The reversal of 133837427 is 724738331.

It is a balanced prime because it is at equal distance from previous prime (133837421) and next prime (133837433).

It is a cyclic number.

It is not a de Polignac number, because 133837427 - 2⁴ = 133837411 is a prime.

It is not a weakly prime, because it can be changed into another prime (133837421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66918713 + 66918714.

It is an arithmetic number, because the mean of its divisors is an integer number (66918714).

Almost surely, 2^133837427 is an apocalyptic number.

133837427 is a deficient number, since it is larger than the sum of its proper divisors (1).

133837427 is an equidigital number, since it uses as much as digits as its factorization.

133837427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 133837427 is about 11568.8126875665. The cubic root of 133837427 is about 511.5159648182.

The spelling of 133837427 in words is "one hundred thirty-three million, eight hundred thirty-seven thousand, four hundred twenty-seven".