1138026756 has 24 divisors (see below), whose sum is σ = 2657319840. Its totient is φ = 379067392.

The previous prime is 1138026749. The next prime is 1138026761. The reversal of 1138026756 is 6576208311.

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, 16746 + ... + 50561.

It is an arithmetic number, because the mean of its divisors is an integer number (110721660).

Almost surely, 2^1138026756 is an apocalyptic number.

It is an amenable number.

1138026756 is an abundant number, since it is smaller than the sum of its proper divisors (1519293084).

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

1138026756 is a wasteful number, since it uses less digits than its factorization.

1138026756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68723 (or 68721 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1138026756 is about 33734.6521547207. The cubic root of 1138026756 is about 1044.0408485067.

The spelling of 1138026756 in words is "one billion, one hundred thirty-eight million, twenty-six thousand, seven hundred fifty-six".