133447041 has 48 divisors (see below), whose sum is σ = 247699200. Its totient is φ = 70380576.

The previous prime is 133447031. The next prime is 133447063. The reversal of 133447041 is 140744331.

It is not a de Polignac number, because 133447041 - 2⁷ = 133446913 is a prime.

It is a super-2 number, since 2×133447041² = 35616225503311362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 133446996 and 133447014.

It is not an unprimeable number, because it can be changed into a prime (133447021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13320 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (5160400).

Almost surely, 2^133447041 is an apocalyptic number.

It is an amenable number.

133447041 is a deficient number, since it is larger than the sum of its proper divisors (114252159).

133447041 is a wasteful number, since it uses less digits than its factorization.

133447041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795 (or 7782 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 133447041 is about 11551.9280208976. The cubic root of 133447041 is about 511.0181390946.

The spelling of 133447041 in words is "one hundred thirty-three million, four hundred forty-seven thousand, forty-one".