133973079 has 16 divisors (see below), whose sum is σ = 183144192. Its totient is φ = 87067008.

The previous prime is 133973071. The next prime is 133973083. The reversal of 133973079 is 970379331.

It is not a de Polignac number, because 133973079 - 2³ = 133973071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133973079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133973071) 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, 125502 + ... + 126564.

It is an arithmetic number, because the mean of its divisors is an integer number (11446512).

Almost surely, 2^133973079 is an apocalyptic number.

133973079 is a deficient number, since it is larger than the sum of its proper divisors (49171113).

133973079 is a wasteful number, since it uses less digits than its factorization.

133973079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 107163, while the sum is 42.

The square root of 133973079 is about 11574.6740342871. The cubic root of 133973079 is about 511.6887235037.

The spelling of 133973079 in words is "one hundred thirty-three million, nine hundred seventy-three thousand, seventy-nine".