133968370 has 16 divisors (see below), whose sum is σ = 241274880. Its totient is φ = 53558064.

The previous prime is 133968323. The next prime is 133968403. The reversal of 133968370 is 73869331.

It is an unprimeable number.

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, 33961 + ... + 37699.

It is an arithmetic number, because the mean of its divisors is an integer number (15079680).

Almost surely, 2^133968370 is an apocalyptic number.

133968370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133968370 is a deficient number, since it is larger than the sum of its proper divisors (107306510).

133968370 is a wasteful number, since it uses less digits than its factorization.

133968370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 133968370 is about 11574.4706142441. The cubic root of 133968370 is about 511.6827283429.

The spelling of 133968370 in words is "one hundred thirty-three million, nine hundred sixty-eight thousand, three hundred seventy".