133516045 has 16 divisors (see below), whose sum is σ = 182694960. Its totient is φ = 92795904.

The previous prime is 133516043. The next prime is 133516057. The reversal of 133516045 is 540615331.

It can be written as a sum of positive squares in 8 ways, for example, as 17867529 + 115648516 = 4227^2 + 10754^2 .

It is a cyclic number.

It is not a de Polignac number, because 133516045 - 2¹ = 133516043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133516043) 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, 59310 + ... + 61519.

It is an arithmetic number, because the mean of its divisors is an integer number (11418435).

Almost surely, 2^133516045 is an apocalyptic number.

It is an amenable number.

133516045 is a deficient number, since it is larger than the sum of its proper divisors (49178915).

133516045 is a wasteful number, since it uses less digits than its factorization.

133516045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120864.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 133516045 is about 11554.9143224863. The cubic root of 133516045 is about 511.1062045405.

The spelling of 133516045 in words is "one hundred thirty-three million, five hundred sixteen thousand, forty-five".