1138177172 has 24 divisors (see below), whose sum is σ = 2267358912. Its totient is φ = 494859200.

The previous prime is 1138177171. The next prime is 1138177193. The reversal of 1138177172 is 2717718311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138177171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561329 + ... + 563352.

It is an arithmetic number, because the mean of its divisors is an integer number (94473288).

Almost surely, 2^1138177172 is an apocalyptic number.

It is an amenable number.

1138177172 is a deficient number, since it is larger than the sum of its proper divisors (1129181740).

1138177172 is a wasteful number, since it uses less digits than its factorization.

1138177172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124719 (or 1124717 counting only the distinct ones).

The product of its digits is 16464, while the sum is 38.

The square root of 1138177172 is about 33736.8814800657. The cubic root of 1138177172 is about 1044.0868443584.

It can be divided in two parts, 11 and 38177172, that added together give a palindrome (38177183).

The spelling of 1138177172 in words is "one billion, one hundred thirty-eight million, one hundred seventy-seven thousand, one hundred seventy-two".