133925946 has 144 divisors (see below), whose sum is σ = 359980992. Its totient is φ = 32503680.

The previous prime is 133925933. The next prime is 133925947. The reversal of 133925946 is 649529331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 133925898 and 133925907.

It is not an unprimeable number, because it can be changed into a prime (133925947) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1834566 + ... + 1834638.

It is an arithmetic number, because the mean of its divisors is an integer number (2499868).

Almost surely, 2^133925946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133925946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179990496).

133925946 is an abundant number, since it is smaller than the sum of its proper divisors (226055046).

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

133925946 is a wasteful number, since it uses less digits than its factorization.

133925946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 115 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 133925946 is about 11572.6378151224. The cubic root of 133925946 is about 511.6287108166.

The spelling of 133925946 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, nine hundred forty-six".