133877673 has 12 divisors (see below), whose sum is σ = 194070708. Its totient is φ = 88932480.

The previous prime is 133877663. The next prime is 133877683. The reversal of 133877673 is 376778331.

It is an interprime number because it is at equal distance from previous prime (133877663) and next prime (133877683).

It can be written as a sum of positive squares in 2 ways, for example, as 93083904 + 40793769 = 9648^2 + 6387^2 .

It is not a de Polignac number, because 133877673 - 2⁶ = 133877609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133877663) 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 11 ways as a sum of consecutive naturals, for example, 23940 + ... + 28997.

It is an arithmetic number, because the mean of its divisors is an integer number (16172559).

Almost surely, 2^133877673 is an apocalyptic number.

It is an amenable number.

133877673 is a deficient number, since it is larger than the sum of its proper divisors (60193035).

133877673 is a wasteful number, since it uses less digits than its factorization.

133877673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53224 (or 53221 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 133877673 is about 11570.5519747331. The cubic root of 133877673 is about 511.5672320130.

The spelling of 133877673 in words is "one hundred thirty-three million, eight hundred seventy-seven thousand, six hundred seventy-three".