133434901 has 2 divisors, whose sum is σ = 133434902. Its totient is φ = 133434900.

The previous prime is 133434893. The next prime is 133434907. The reversal of 133434901 is 109434331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 1782225 = 11474^2 + 1335^2 .

It is an emirp because it is prime and its reverse (109434331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133434901 - 2³ = 133434893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133434901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133434907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66717450 + 66717451.

It is an arithmetic number, because the mean of its divisors is an integer number (66717451).

Almost surely, 2^133434901 is an apocalyptic number.

It is an amenable number.

133434901 is a deficient number, since it is larger than the sum of its proper divisors (1).

133434901 is an equidigital number, since it uses as much as digits as its factorization.

133434901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133434901 is about 11551.4025555341. The cubic root of 133434901 is about 511.0026424395.

The spelling of 133434901 in words is "one hundred thirty-three million, four hundred thirty-four thousand, nine hundred one".