133975042 has 24 divisors (see below), whose sum is σ = 214394796. Its totient is φ = 62774784.

The previous prime is 133975027. The next prime is 133975067. The reversal of 133975042 is 240579331.

It can be written as a sum of positive squares in 2 ways, for example, as 129527161 + 4447881 = 11381^2 + 2109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133974989 and 133975007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69078 + ... + 70990.

Almost surely, 2^133975042 is an apocalyptic number.

133975042 is a deficient number, since it is larger than the sum of its proper divisors (80419754).

133975042 is a wasteful number, since it uses less digits than its factorization.

133975042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 133975042 is about 11574.7588311809. The cubic root of 133975042 is about 511.6912226128.

The spelling of 133975042 in words is "one hundred thirty-three million, nine hundred seventy-five thousand, forty-two".