133450497 has 24 divisors (see below), whose sum is σ = 202666464. Its totient is φ = 87736608.

The previous prime is 133450487. The next prime is 133450519. The reversal of 133450497 is 794054331.

It is not a de Polignac number, because 133450497 - 2⁸ = 133450241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133450487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13978 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (8444436).

Almost surely, 2^133450497 is an apocalyptic number.

It is an amenable number.

133450497 is a deficient number, since it is larger than the sum of its proper divisors (69215967).

133450497 is an frugal number, since it uses more digits than its factorization.

133450497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 133450497 is about 11552.0776053487. The cubic root of 133450497 is about 511.0225504912.

The spelling of 133450497 in words is "one hundred thirty-three million, four hundred fifty thousand, four hundred ninety-seven".