133751339 has 2 divisors, whose sum is σ = 133751340. Its totient is φ = 133751338.

The previous prime is 133751333. The next prime is 133751341. The reversal of 133751339 is 933157331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133751339 - 2⁴ = 133751323 is a prime.

It is a Sophie Germain prime.

Together with 133751341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133751299 and 133751308.

It is not a weakly prime, because it can be changed into another prime (133751333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66875669 + 66875670.

It is an arithmetic number, because the mean of its divisors is an integer number (66875670).

Almost surely, 2^133751339 is an apocalyptic number.

133751339 is a deficient number, since it is larger than the sum of its proper divisors (1).

133751339 is an equidigital number, since it uses as much as digits as its factorization.

133751339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515, while the sum is 35.

The square root of 133751339 is about 11565.0913960937. The cubic root of 133751339 is about 511.4062674728.

The spelling of 133751339 in words is "one hundred thirty-three million, seven hundred fifty-one thousand, three hundred thirty-nine".