133717045 has 16 divisors (see below), whose sum is σ = 200055168. Its totient is φ = 83355840.

The previous prime is 133717007. The next prime is 133717061. The reversal of 133717045 is 540717331.

It is a de Polignac number, because none of the positive numbers 2^k-133717045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133716998 and 133717016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173274 + ... + 174043.

It is an arithmetic number, because the mean of its divisors is an integer number (12503448).

Almost surely, 2^133717045 is an apocalyptic number.

It is an amenable number.

133717045 is a deficient number, since it is larger than the sum of its proper divisors (66338123).

133717045 is a wasteful number, since it uses less digits than its factorization.

133717045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347340.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 133717045 is about 11563.6086495523. The cubic root of 133717045 is about 511.3625553480.

The spelling of 133717045 in words is "one hundred thirty-three million, seven hundred seventeen thousand, forty-five".