133675457 has 8 divisors (see below), whose sum is σ = 137179392. Its totient is φ = 130183200.

The previous prime is 133675429. The next prime is 133675489. The reversal of 133675457 is 754576331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133675457 - 2¹² = 133671361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133675417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23288 + ... + 28454.

It is an arithmetic number, because the mean of its divisors is an integer number (17147424).

Almost surely, 2^133675457 is an apocalyptic number.

It is an amenable number.

133675457 is a deficient number, since it is larger than the sum of its proper divisors (3503935).

133675457 is an equidigital number, since it uses as much as digits as its factorization.

133675457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839.

The product of its digits is 264600, while the sum is 41.

The square root of 133675457 is about 11561.8102821314. The cubic root of 133675457 is about 511.3095360512.

The spelling of 133675457 in words is "one hundred thirty-three million, six hundred seventy-five thousand, four hundred fifty-seven".