133925947 has 2 divisors, whose sum is σ = 133925948. Its totient is φ = 133925946.

The previous prime is 133925933. The next prime is 133925963. The reversal of 133925947 is 749529331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133925947 - 2¹¹ = 133923899 is a prime.

It is not a weakly prime, because it can be changed into another prime (133925347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66962973 + 66962974.

It is an arithmetic number, because the mean of its divisors is an integer number (66962974).

Almost surely, 2^133925947 is an apocalyptic number.

133925947 is a deficient number, since it is larger than the sum of its proper divisors (1).

133925947 is an equidigital number, since it uses as much as digits as its factorization.

133925947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 133925947 is about 11572.6378583277. The cubic root of 133925947 is about 511.6287120900.

The spelling of 133925947 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, nine hundred forty-seven".