154135099 has 2 divisors, whose sum is σ = 154135100. Its totient is φ = 154135098.

The previous prime is 154135097. The next prime is 154135103. The reversal of 154135099 is 990531451.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154135099 - 2¹ = 154135097 is a prime.

Together with 154135097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (154135097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067549 + 77067550.

It is an arithmetic number, because the mean of its divisors is an integer number (77067550).

Almost surely, 2^154135099 is an apocalyptic number.

154135099 is a deficient number, since it is larger than the sum of its proper divisors (1).

154135099 is an equidigital number, since it uses as much as digits as its factorization.

154135099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 154135099 is about 12415.1157465406. The cubic root of 154135099 is about 536.1675366882.

The spelling of 154135099 in words is "one hundred fifty-four million, one hundred thirty-five thousand, ninety-nine".