133995826 has 16 divisors (see below), whose sum is σ = 212306688. Its totient is φ = 63327600.

The previous prime is 133995821. The next prime is 133995877. The reversal of 133995826 is 628599331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133995821) 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 7 ways as a sum of consecutive naturals, for example, 22465 + ... + 27796.

It is an arithmetic number, because the mean of its divisors is an integer number (13269168).

Almost surely, 2^133995826 is an apocalyptic number.

133995826 is a deficient number, since it is larger than the sum of its proper divisors (78310862).

133995826 is a wasteful number, since it uses less digits than its factorization.

133995826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50337.

The product of its digits is 349920, while the sum is 46.

The square root of 133995826 is about 11575.6566120458. The cubic root of 133995826 is about 511.7176813729.

The spelling of 133995826 in words is "one hundred thirty-three million, nine hundred ninety-five thousand, eight hundred twenty-six".