133877841 has 16 divisors (see below), whose sum is σ = 183124800. Its totient is φ = 86964800.

The previous prime is 133877801. The next prime is 133877867. The reversal of 133877841 is 148778331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133877841 - 2⁷ = 133877713 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 133877793 and 133877802.

It is not an unprimeable number, because it can be changed into a prime (133877801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20866 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (11445300).

Almost surely, 2^133877841 is an apocalyptic number.

It is an amenable number.

133877841 is a deficient number, since it is larger than the sum of its proper divisors (49246959).

133877841 is a wasteful number, since it uses less digits than its factorization.

133877841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its digits is 112896, while the sum is 42.

The square root of 133877841 is about 11570.5592345400. The cubic root of 133877841 is about 511.5674459976.

The spelling of 133877841 in words is "one hundred thirty-three million, eight hundred seventy-seven thousand, eight hundred forty-one".