133051506 has 32 divisors (see below), whose sum is σ = 304846848. Its totient is φ = 37923600.

The previous prime is 133051493. The next prime is 133051543. The reversal of 133051506 is 605150331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15031 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (9526464).

Almost surely, 2^133051506 is an apocalyptic number.

133051506 is an abundant number, since it is smaller than the sum of its proper divisors (171795342).

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

133051506 is a wasteful number, since it uses less digits than its factorization.

133051506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 133051506 is about 11534.7954468209. The cubic root of 133051506 is about 510.5127561186.

The spelling of 133051506 in words is "one hundred thirty-three million, fifty-one thousand, five hundred six".