133450518 has 16 divisors (see below), whose sum is σ = 276104880. Its totient is φ = 42949536.

The previous prime is 133450487. The next prime is 133450519. The reversal of 133450518 is 815054331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133450519) 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, 383305 + ... + 383652.

It is an arithmetic number, because the mean of its divisors is an integer number (17256555).

Almost surely, 2^133450518 is an apocalyptic number.

133450518 is an abundant number, since it is smaller than the sum of its proper divisors (142654362).

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

133450518 is a wasteful number, since it uses less digits than its factorization.

133450518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766991.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 133450518 is about 11552.0785142761. The cubic root of 133450518 is about 511.0225772963.

The spelling of 133450518 in words is "one hundred thirty-three million, four hundred fifty thousand, five hundred eighteen".