154136629 has 2 divisors, whose sum is σ = 154136630. Its totient is φ = 154136628.

The previous prime is 154136621. The next prime is 154136659. The reversal of 154136629 is 926631451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153140625 + 996004 = 12375^2 + 998^2 .

It is an emirp because it is prime and its reverse (926631451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154136629 - 2³ = 154136621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154136621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77068314 + 77068315.

It is an arithmetic number, because the mean of its divisors is an integer number (77068315).

Almost surely, 2^154136629 is an apocalyptic number.

It is an amenable number.

154136629 is a deficient number, since it is larger than the sum of its proper divisors (1).

154136629 is an equidigital number, since it uses as much as digits as its factorization.

154136629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 154136629 is about 12415.1773648225. The cubic root of 154136629 is about 536.1693107457.

The spelling of 154136629 in words is "one hundred fifty-four million, one hundred thirty-six thousand, six hundred twenty-nine".