133765147 has 2 divisors, whose sum is σ = 133765148. Its totient is φ = 133765146.

The previous prime is 133765109. The next prime is 133765169. The reversal of 133765147 is 741567331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133765147 - 2²³ = 125376539 is a prime.

It is a super-2 number, since 2×133765147² = 35786229103863218, which contains 22 as substring.

It is equal to p_7579405 and since 133765147 and 7579405 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (133768147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66882573 + 66882574.

It is an arithmetic number, because the mean of its divisors is an integer number (66882574).

Almost surely, 2^133765147 is an apocalyptic number.

133765147 is a deficient number, since it is larger than the sum of its proper divisors (1).

133765147 is an equidigital number, since it uses as much as digits as its factorization.

133765147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 133765147 is about 11565.6883495968. The cubic root of 133765147 is about 511.4238654393.

The spelling of 133765147 in words is "one hundred thirty-three million, seven hundred sixty-five thousand, one hundred forty-seven".