133822477 has 4 divisors (see below), whose sum is σ = 135434880. Its totient is φ = 132210076.

The previous prime is 133822459. The next prime is 133822519. The reversal of 133822477 is 774228331.

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: 774228331 = 17 ⋅45542843.

It is a cyclic number.

It is not a de Polignac number, because 133822477 - 2¹⁵ = 133789709 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 (133822417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806077 + ... + 806242.

It is an arithmetic number, because the mean of its divisors is an integer number (33858720).

Almost surely, 2^133822477 is an apocalyptic number.

It is an amenable number.

133822477 is a deficient number, since it is larger than the sum of its proper divisors (1612403).

133822477 is an equidigital number, since it uses as much as digits as its factorization.

133822477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612402.

The product of its digits is 56448, while the sum is 37.

The square root of 133822477 is about 11568.1665357999. The cubic root of 133822477 is about 511.4969182067.

The spelling of 133822477 in words is "one hundred thirty-three million, eight hundred twenty-two thousand, four hundred seventy-seven".