1138157424 has 60 divisors (see below), whose sum is σ = 3225612000. Its totient is φ = 374579712.

The previous prime is 1138157401. The next prime is 1138157441. The reversal of 1138157424 is 4247518311.

1138157424 is a `hidden beast` number, since 1 + 1 + 3 + 81 + 574 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 38649 + ... + 61400.

It is an arithmetic number, because the mean of its divisors is an integer number (53760200).

Almost surely, 2^1138157424 is an apocalyptic number.

It is an amenable number.

1138157424 is an abundant number, since it is smaller than the sum of its proper divisors (2087454576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138157424 is a wasteful number, since it uses less digits than its factorization.

1138157424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100142 (or 100133 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1138157424 is about 33736.5888020707. The cubic root of 1138157424 is about 1044.0808058298.

The spelling of 1138157424 in words is "one billion, one hundred thirty-eight million, one hundred fifty-seven thousand, four hundred twenty-four".