1238413144 has 32 divisors (see below), whose sum is σ = 2476597680. Its totient is φ = 578520064.

The previous prime is 1238413139. The next prime is 1238413151. The reversal of 1238413144 is 4413148321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14602 + ... + 51865.

Almost surely, 2^1238413144 is an apocalyptic number.

It is an amenable number.

1238413144 is a deficient number, since it is larger than the sum of its proper divisors (1238184536).

1238413144 is a wasteful number, since it uses less digits than its factorization.

1238413144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66627 (or 66623 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 1238413144 is about 35191.0946689642. The cubic root of 1238413144 is about 1073.8785908879.

The spelling of 1238413144 in words is "one billion, two hundred thirty-eight million, four hundred thirteen thousand, one hundred forty-four".