133491710 has 16 divisors (see below), whose sum is σ = 262129392. Its totient is φ = 48542400.

The previous prime is 133491661. The next prime is 133491719. The reversal of 133491710 is 17194331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133491719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606671 + ... + 606890.

It is an arithmetic number, because the mean of its divisors is an integer number (16383087).

Almost surely, 2^133491710 is an apocalyptic number.

133491710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133491710 is a deficient number, since it is larger than the sum of its proper divisors (128637682).

133491710 is a wasteful number, since it uses less digits than its factorization.

133491710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213579.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 133491710 is about 11553.8612593366. The cubic root of 133491710 is about 511.0751507816.

The spelling of 133491710 in words is "one hundred thirty-three million, four hundred ninety-one thousand, seven hundred ten".