133053397 has 2 divisors, whose sum is σ = 133053398. Its totient is φ = 133053396.

The previous prime is 133053391. The next prime is 133053419. The reversal of 133053397 is 793350331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131767441 + 1285956 = 11479^2 + 1134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133053397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133053391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66526698 + 66526699.

It is an arithmetic number, because the mean of its divisors is an integer number (66526699).

Almost surely, 2^133053397 is an apocalyptic number.

It is an amenable number.

133053397 is a deficient number, since it is larger than the sum of its proper divisors (1).

133053397 is an equidigital number, since it uses as much as digits as its factorization.

133053397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 34.

The square root of 133053397 is about 11534.8774159069. The cubic root of 133053397 is about 510.5151746684.

The spelling of 133053397 in words is "one hundred thirty-three million, fifty-three thousand, three hundred ninety-seven".