154117133 has 2 divisors, whose sum is σ = 154117134. Its totient is φ = 154117132.

The previous prime is 154117127. The next prime is 154117147. The reversal of 154117133 is 331711451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140114569 + 14002564 = 11837^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 154117133 - 2⁶ = 154117069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154117123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77058566 + 77058567.

It is an arithmetic number, because the mean of its divisors is an integer number (77058567).

Almost surely, 2^154117133 is an apocalyptic number.

It is an amenable number.

154117133 is a deficient number, since it is larger than the sum of its proper divisors (1).

154117133 is an equidigital number, since it uses as much as digits as its factorization.

154117133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 154117133 is about 12414.3921719913. The cubic root of 154117133 is about 536.1467039678.

Adding to 154117133 its reverse (331711451), we get a palindrome (485828584).

The spelling of 154117133 in words is "one hundred fifty-four million, one hundred seventeen thousand, one hundred thirty-three".