133464997 has 2 divisors, whose sum is σ = 133464998. Its totient is φ = 133464996.

The previous prime is 133464979. The next prime is 133465037. The reversal of 133464997 is 799464331.

Together with previous prime (133464979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107516161 + 25948836 = 10369^2 + 5094^2 .

It is a cyclic number.

It is not a de Polignac number, because 133464997 - 2⁷ = 133464869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133464917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66732498 + 66732499.

It is an arithmetic number, because the mean of its divisors is an integer number (66732499).

Almost surely, 2^133464997 is an apocalyptic number.

It is an amenable number.

133464997 is a deficient number, since it is larger than the sum of its proper divisors (1).

133464997 is an equidigital number, since it uses as much as digits as its factorization.

133464997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 133464997 is about 11552.7051810388. The cubic root of 133464997 is about 511.0410581246.

It can be divided in two parts, 133 and 464997, that added together give a triangular number (465130 = T₉₆₄).

The spelling of 133464997 in words is "one hundred thirty-three million, four hundred sixty-four thousand, nine hundred ninety-seven".