1138442762 has 16 divisors (see below), whose sum is σ = 1720438920. Its totient is φ = 564974592.

The previous prime is 1138442713. The next prime is 1138442771. The reversal of 1138442762 is 2672448311.

It can be written as a sum of positive squares in 4 ways, for example, as 1116829561 + 21613201 = 33419^2 + 4649^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 230414 + ... + 235302.

Almost surely, 2^1138442762 is an apocalyptic number.

1138442762 is a deficient number, since it is larger than the sum of its proper divisors (581996158).

1138442762 is a wasteful number, since it uses less digits than its factorization.

1138442762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

The product of its digits is 64512, while the sum is 38.

The square root of 1138442762 is about 33740.8174471218. The cubic root of 1138442762 is about 1044.1680494835.

The spelling of 1138442762 in words is "one billion, one hundred thirty-eight million, four hundred forty-two thousand, seven hundred sixty-two".