1138530762 has 16 divisors (see below), whose sum is σ = 2530068480. Its totient is φ = 379510236.

The previous prime is 1138530733. The next prime is 1138530871. The reversal of 1138530762 is 2670358311.

1138530762 is a `hidden beast` number, since 113 + 8 + 530 + 7 + 6 + 2 = 666.

1138530762 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 10541898 + ... + 10542005.

It is an arithmetic number, because the mean of its divisors is an integer number (158129280).

Almost surely, 2^1138530762 is an apocalyptic number.

1138530762 is an abundant number, since it is smaller than the sum of its proper divisors (1391537718).

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

1138530762 is a wasteful number, since it uses less digits than its factorization.

1138530762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083914 (or 21083908 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1138530762 is about 33742.1214804286. The cubic root of 1138530762 is about 1044.1949530234.

The spelling of 1138530762 in words is "one billion, one hundred thirty-eight million, five hundred thirty thousand, seven hundred sixty-two".