153994129 has 2 divisors, whose sum is σ = 153994130. Its totient is φ = 153994128.

The previous prime is 153994123. The next prime is 153994151. The reversal of 153994129 is 921499351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83685904 + 70308225 = 9148^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 153994129 - 2²⁷ = 19776401 is a prime.

It is not a weakly prime, because it can be changed into another prime (153994123) 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, 76997064 + 76997065.

It is an arithmetic number, because the mean of its divisors is an integer number (76997065).

Almost surely, 2^153994129 is an apocalyptic number.

It is an amenable number.

153994129 is a deficient number, since it is larger than the sum of its proper divisors (1).

153994129 is an equidigital number, since it uses as much as digits as its factorization.

153994129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 43.

The square root of 153994129 is about 12409.4370944052. The cubic root of 153994129 is about 536.0040294956.

The spelling of 153994129 in words is "one hundred fifty-three million, nine hundred ninety-four thousand, one hundred twenty-nine".