154627138 has 12 divisors (see below), whose sum is σ = 246387762. Its totient is φ = 72765440.

The previous prime is 154627127. The next prime is 154627139. The reversal of 154627138 is 831726451.

It can be written as a sum of positive squares in 3 ways, for example, as 151609969 + 3017169 = 12313^2 + 1737^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154627097 and 154627106.

It is not an unprimeable number, because it can be changed into a prime (154627139) 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 in 5 ways as a sum of consecutive naturals, for example, 133183 + ... + 134338.

Almost surely, 2^154627138 is an apocalyptic number.

154627138 is a deficient number, since it is larger than the sum of its proper divisors (91760624).

154627138 is a wasteful number, since it uses less digits than its factorization.

154627138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267557 (or 267540 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 154627138 is about 12434.9160833517. The cubic root of 154627138 is about 536.7374590374.

The spelling of 154627138 in words is "one hundred fifty-four million, six hundred twenty-seven thousand, one hundred thirty-eight".