1138933342 has 16 divisors (see below), whose sum is σ = 1754298000. Its totient is φ = 554234560.

The previous prime is 1138933291. The next prime is 1138933349. The reversal of 1138933342 is 2433398311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138933349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17784 + ... + 50932.

It is an arithmetic number, because the mean of its divisors is an integer number (109643625).

Almost surely, 2^1138933342 is an apocalyptic number.

1138933342 is a deficient number, since it is larger than the sum of its proper divisors (615364658).

1138933342 is a wasteful number, since it uses less digits than its factorization.

1138933342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33611.

The product of its digits is 46656, while the sum is 37.

The square root of 1138933342 is about 33748.0864939036. The cubic root of 1138933342 is about 1044.3180129297.

The spelling of 1138933342 in words is "one billion, one hundred thirty-eight million, nine hundred thirty-three thousand, three hundred forty-two".