133725277 has 4 divisors (see below), whose sum is σ = 152828896. Its totient is φ = 114621660.

The previous prime is 133725239. The next prime is 133725299. The reversal of 133725277 is 772527331.

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: 772527331 = 2243 ⋅344417.

It is a cyclic number.

It is not a de Polignac number, because 133725277 - 2¹¹ = 133723229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133725377) 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, 9551799 + ... + 9551812.

It is an arithmetic number, because the mean of its divisors is an integer number (38207224).

Almost surely, 2^133725277 is an apocalyptic number.

It is an amenable number.

133725277 is a deficient number, since it is larger than the sum of its proper divisors (19103619).

133725277 is an equidigital number, since it uses as much as digits as its factorization.

133725277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103618.

The product of its digits is 61740, while the sum is 37.

The square root of 133725277 is about 11563.9645883235. The cubic root of 133725277 is about 511.3730487750.

It can be divided in two parts, 133 and 725277, that added together give a triangular number (725410 = T₁₂₀₄).

The spelling of 133725277 in words is "one hundred thirty-three million, seven hundred twenty-five thousand, two hundred seventy-seven".