1318838132 has 6 divisors (see below), whose sum is σ = 2307966738. Its totient is φ = 659419064.

The previous prime is 1318838123. The next prime is 1318838153. The reversal of 1318838132 is 2318388131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1205756176 + 113081956 = 34724^2 + 10634^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164854763 + ... + 164854770.

It is an arithmetic number, because the mean of its divisors is an integer number (384661123).

Almost surely, 2^1318838132 is an apocalyptic number.

It is an amenable number.

1318838132 is a deficient number, since it is larger than the sum of its proper divisors (989128606).

1318838132 is a wasteful number, since it uses less digits than its factorization.

1318838132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329709537 (or 329709535 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1318838132 is about 36315.8110469806. The cubic root of 1318838132 is about 1096.6393664528.

The spelling of 1318838132 in words is "one billion, three hundred eighteen million, eight hundred thirty-eight thousand, one hundred thirty-two".