133650949 has 2 divisors, whose sum is σ = 133650950. Its totient is φ = 133650948.

The previous prime is 133650941. The next prime is 133650961. The reversal of 133650949 is 949056331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122213025 + 11437924 = 11055^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 133650949 - 2³ = 133650941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133650941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66825474 + 66825475.

It is an arithmetic number, because the mean of its divisors is an integer number (66825475).

Almost surely, 2^133650949 is an apocalyptic number.

It is an amenable number.

133650949 is a deficient number, since it is larger than the sum of its proper divisors (1).

133650949 is an equidigital number, since it uses as much as digits as its factorization.

133650949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 133650949 is about 11560.7503649201. The cubic root of 133650949 is about 511.2782863856.

The spelling of 133650949 in words is "one hundred thirty-three million, six hundred fifty thousand, nine hundred forty-nine".