133451677433 has 8 divisors (see below), whose sum is σ = 134864299752. Its totient is φ = 132039806976.

The previous prime is 133451677423. The next prime is 133451677459. The reversal of 133451677433 is 334776154331.

It can be written as a sum of positive squares in 4 ways, for example, as 1197990544 + 132253686889 = 34612^2 + 363667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133451677433 - 2⁴ = 133451677417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133451677423) 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, 172541 + ... + 544677.

It is an arithmetic number, because the mean of its divisors is an integer number (16858037469).

Almost surely, 2^133451677433 is an apocalyptic number.

It is an amenable number.

133451677433 is a deficient number, since it is larger than the sum of its proper divisors (1412622319).

133451677433 is an equidigital number, since it uses as much as digits as its factorization.

133451677433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375931.

The product of its digits is 1905120, while the sum is 47.

The spelling of 133451677433 in words is "one hundred thirty-three billion, four hundred fifty-one million, six hundred seventy-seven thousand, four hundred thirty-three".