1138676936 has 8 divisors (see below), whose sum is σ = 2135019270. Its totient is φ = 569338464.

The previous prime is 1138676879. The next prime is 1138676951. The reversal of 1138676936 is 6396768311.

It can be written as a sum of positive squares in only one way, i.e., 1004256100 + 134420836 = 31690^2 + 11594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71167301 + ... + 71167316.

Almost surely, 2^1138676936 is an apocalyptic number.

It is an amenable number.

1138676936 is a deficient number, since it is larger than the sum of its proper divisors (996342334).

1138676936 is a wasteful number, since it uses less digits than its factorization.

1138676936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142334623 (or 142334619 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 1138676936 is about 33744.2874572868. The cubic root of 1138676936 is about 1044.2396385739.

The spelling of 1138676936 in words is "one billion, one hundred thirty-eight million, six hundred seventy-six thousand, nine hundred thirty-six".