133120087249 has 2 divisors, whose sum is σ = 133120087250. Its totient is φ = 133120087248.

The previous prime is 133120087241. The next prime is 133120087267. The reversal of 133120087249 is 942780021331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80142779025 + 52977308224 = 283095^2 + 230168^2 .

It is a cyclic number.

It is not a de Polignac number, because 133120087249 - 2³ = 133120087241 is a prime.

It is not a weakly prime, because it can be changed into another prime (133120087241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560043624 + 66560043625.

It is an arithmetic number, because the mean of its divisors is an integer number (66560043625).

Almost surely, 2^133120087249 is an apocalyptic number.

It is an amenable number.

133120087249 is a deficient number, since it is larger than the sum of its proper divisors (1).

133120087249 is an equidigital number, since it uses as much as digits as its factorization.

133120087249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 133120087249 in words is "one hundred thirty-three billion, one hundred twenty million, eighty-seven thousand, two hundred forty-nine".