133514989 has 2 divisors, whose sum is σ = 133514990. Its totient is φ = 133514988.

The previous prime is 133514963. The next prime is 133515001. The reversal of 133514989 is 989415331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126450025 + 7064964 = 11245^2 + 2658^2 .

It is a cyclic number.

It is not a de Polignac number, because 133514989 - 2¹⁵ = 133482221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133514929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66757494 + 66757495.

It is an arithmetic number, because the mean of its divisors is an integer number (66757495).

Almost surely, 2^133514989 is an apocalyptic number.

It is an amenable number.

133514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

133514989 is an equidigital number, since it uses as much as digits as its factorization.

133514989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 133514989 is about 11554.8686275526. The cubic root of 133514989 is about 511.1048570631.

The spelling of 133514989 in words is "one hundred thirty-three million, five hundred fourteen thousand, nine hundred eighty-nine".