133150816 has 24 divisors (see below), whose sum is σ = 262493784. Its totient is φ = 66485760.

The previous prime is 133150811. The next prime is 133150819. The reversal of 133150816 is 618051331.

133150816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133150811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25831 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (10937241).

Almost surely, 2^133150816 is an apocalyptic number.

133150816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133150816 is a deficient number, since it is larger than the sum of its proper divisors (129342968).

133150816 is an equidigital number, since it uses as much as digits as its factorization.

133150816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 133150816 is about 11539.0994449307. The cubic root of 133150816 is about 510.6397405590.

It can be divided in two parts, 1331508 and 16, that multiplied together give a triangular number (21304128 = T₆₅₂₇).

The spelling of 133150816 in words is "one hundred thirty-three million, one hundred fifty thousand, eight hundred sixteen".