133455677 has 4 divisors (see below), whose sum is σ = 140479680. Its totient is φ = 126431676.

The previous prime is 133455671. The next prime is 133455691. The reversal of 133455677 is 776554331.

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 133455677 - 2¹⁶ = 133390141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133455671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511973 + ... + 3512010.

It is an arithmetic number, because the mean of its divisors is an integer number (35119920).

Almost surely, 2^133455677 is an apocalyptic number.

It is an amenable number.

133455677 is a deficient number, since it is larger than the sum of its proper divisors (7024003).

133455677 is an equidigital number, since it uses as much as digits as its factorization.

133455677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024002.

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

The square root of 133455677 is about 11552.3018052681. The cubic root of 133455677 is about 511.0291623376.

The spelling of 133455677 in words is "one hundred thirty-three million, four hundred fifty-five thousand, six hundred seventy-seven".