133957273 has 4 divisors (see below), whose sum is σ = 133982848. Its totient is φ = 133931700.

The previous prime is 133957253. The next prime is 133957283. The reversal of 133957273 is 372759331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133957273 - 2¹⁷ = 133826201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133957253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761 + ... + 16462.

It is an arithmetic number, because the mean of its divisors is an integer number (33495712).

Almost surely, 2^133957273 is an apocalyptic number.

It is an amenable number.

133957273 is a deficient number, since it is larger than the sum of its proper divisors (25575).

133957273 is an equidigital number, since it uses as much as digits as its factorization.

133957273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574.

The product of its digits is 119070, while the sum is 40.

The square root of 133957273 is about 11573.9912303406. The cubic root of 133957273 is about 511.6685998835.

The spelling of 133957273 in words is "one hundred thirty-three million, nine hundred fifty-seven thousand, two hundred seventy-three".