1138175942 has 16 divisors (see below), whose sum is σ = 1837328832. Its totient is φ = 526830720.

The previous prime is 1138175911. The next prime is 1138176043. The reversal of 1138175942 is 2495718311.

It is a super-3 number, since 3×1138175942³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1138175942.

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, 272318 + ... + 276465.

It is an arithmetic number, because the mean of its divisors is an integer number (114833052).

Almost surely, 2^1138175942 is an apocalyptic number.

1138175942 is a deficient number, since it is larger than the sum of its proper divisors (699152890).

1138175942 is a wasteful number, since it uses less digits than its factorization.

1138175942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548863.

The product of its digits is 60480, while the sum is 41.

The square root of 1138175942 is about 33736.8632507529. The cubic root of 1138175942 is about 1044.0864682520.

The spelling of 1138175942 in words is "one billion, one hundred thirty-eight million, one hundred seventy-five thousand, nine hundred forty-two".