1138577036 has 12 divisors (see below), whose sum is σ = 1994048112. Its totient is φ = 568849008.

The previous prime is 1138577003. The next prime is 1138577081. The reversal of 1138577036 is 6307758311.

It is a junction number, because it is equal to n+sod(n) for n = 1138576984 and 1138577002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104015 + ... + 114438.

It is an arithmetic number, because the mean of its divisors is an integer number (166170676).

Almost surely, 2^1138577036 is an apocalyptic number.

It is an amenable number.

1138577036 is a deficient number, since it is larger than the sum of its proper divisors (855471076).

1138577036 is a wasteful number, since it uses less digits than its factorization.

1138577036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219760 (or 219758 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1138577036 is about 33742.8071742705. The cubic root of 1138577036 is about 1044.2090994492.

The spelling of 1138577036 in words is "one billion, one hundred thirty-eight million, five hundred seventy-seven thousand, thirty-six".