133019016 has 128 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 37232640.

The previous prime is 133019011. The next prime is 133019039. The reversal of 133019016 is 610910331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (133019011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164020 + ... + 164828.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^133019016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133019016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

133019016 is an abundant number, since it is smaller than the sum of its proper divisors (258891384).

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

133019016 is a wasteful number, since it uses less digits than its factorization.

133019016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 133019016 is about 11533.3870133626. The cubic root of 133019016 is about 510.4711985038.

Adding to 133019016 its reverse (610910331), we get a palindrome (743929347).

The spelling of 133019016 in words is "one hundred thirty-three million, nineteen thousand, sixteen".