133161510 has 32 divisors (see below), whose sum is σ = 338388192. Its totient is φ = 33420800.

The previous prime is 133161499. The next prime is 133161529. The reversal of 133161510 is 15161331.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 130041 + ... + 131060.

It is an arithmetic number, because the mean of its divisors is an integer number (10574631).

Almost surely, 2^133161510 is an apocalyptic number.

133161510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133161510 is an abundant number, since it is smaller than the sum of its proper divisors (205226682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133161510 is a wasteful number, since it uses less digits than its factorization.

133161510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261128.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 133161510 is about 11539.5628166755. The cubic root of 133161510 is about 510.6534108600.

The spelling of 133161510 in words is "one hundred thirty-three million, one hundred sixty-one thousand, five hundred ten".