133140109 has 2 divisors, whose sum is σ = 133140110. Its totient is φ = 133140108.

The previous prime is 133140053. The next prime is 133140113. The reversal of 133140109 is 901041331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116575209 + 16564900 = 10797^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133140109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133140109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133140199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66570054 + 66570055.

It is an arithmetic number, because the mean of its divisors is an integer number (66570055).

Almost surely, 2^133140109 is an apocalyptic number.

It is an amenable number.

133140109 is a deficient number, since it is larger than the sum of its proper divisors (1).

133140109 is an equidigital number, since it uses as much as digits as its factorization.

133140109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 133140109 is about 11538.6354912529. The cubic root of 133140109 is about 510.6260529066.

The spelling of 133140109 in words is "one hundred thirty-three million, one hundred forty thousand, one hundred nine".