133051194 has 32 divisors (see below), whose sum is σ = 305210880. Its totient is φ = 42919200.

The previous prime is 133051153. The next prime is 133051207. The reversal of 133051194 is 491150331.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 38067 + ... + 41414.

It is an arithmetic number, because the mean of its divisors is an integer number (9537840).

Almost surely, 2^133051194 is an apocalyptic number.

133051194 is an abundant number, since it is smaller than the sum of its proper divisors (172159686).

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

133051194 is a wasteful number, since it uses less digits than its factorization.

133051194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79523 (or 79517 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 133051194 is about 11534.7819225159. The cubic root of 133051194 is about 510.5123570749.

The spelling of 133051194 in words is "one hundred thirty-three million, fifty-one thousand, one hundred ninety-four".