133372739 has 2 divisors, whose sum is σ = 133372740. Its totient is φ = 133372738.

The previous prime is 133372717. The next prime is 133372801. The reversal of 133372739 is 937273331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133372739 - 2⁸ = 133372483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133372709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66686369 + 66686370.

It is an arithmetic number, because the mean of its divisors is an integer number (66686370).

Almost surely, 2^133372739 is an apocalyptic number.

133372739 is a deficient number, since it is larger than the sum of its proper divisors (1).

133372739 is an equidigital number, since it uses as much as digits as its factorization.

133372739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 38.

The square root of 133372739 is about 11548.7115731583. The cubic root of 133372739 is about 510.9232781952.

The spelling of 133372739 in words is "one hundred thirty-three million, three hundred seventy-two thousand, seven hundred thirty-nine".