133672765177 has 4 divisors (see below), whose sum is σ = 152768874496. Its totient is φ = 114576655860.

The previous prime is 133672765159. The next prime is 133672765183. The reversal of 133672765177 is 771567276331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 771567276331 = 24137 ⋅31966163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133672765177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133672765117) 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, 9548054649 + ... + 9548054662.

It is an arithmetic number, because the mean of its divisors is an integer number (38192218624).

Almost surely, 2^133672765177 is an apocalyptic number.

It is an amenable number.

133672765177 is a deficient number, since it is larger than the sum of its proper divisors (19096109319).

133672765177 is an equidigital number, since it uses as much as digits as its factorization.

133672765177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096109318.

The product of its digits is 7779240, while the sum is 55.

The spelling of 133672765177 in words is "one hundred thirty-three billion, six hundred seventy-two million, seven hundred sixty-five thousand, one hundred seventy-seven".