133772874 has 32 divisors (see below), whose sum is σ = 279313920. Its totient is φ = 42662400.

The previous prime is 133772867. The next prime is 133772879. The reversal of 133772874 is 478277331.

It is not an unprimeable number, because it can be changed into a prime (133772879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12514 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (8728560).

Almost surely, 2^133772874 is an apocalyptic number.

133772874 is an abundant number, since it is smaller than the sum of its proper divisors (145541046).

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

133772874 is a wasteful number, since it uses less digits than its factorization.

133772874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206.

The product of its digits is 197568, while the sum is 42.

The square root of 133772874 is about 11566.0223931998. The cubic root of 133772874 is about 511.4337127880.

The spelling of 133772874 in words is "one hundred thirty-three million, seven hundred seventy-two thousand, eight hundred seventy-four".