1318873132 has 6 divisors (see below), whose sum is σ = 2308027988. Its totient is φ = 659436564.

The previous prime is 1318873099. The next prime is 1318873159. The reversal of 1318873132 is 2313788131.

It is a super-2 number, since 2×1318873132² = 3478852676622978848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1318873091 and 1318873100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164859138 + ... + 164859145.

Almost surely, 2^1318873132 is an apocalyptic number.

It is an amenable number.

1318873132 is a deficient number, since it is larger than the sum of its proper divisors (989154856).

1318873132 is a wasteful number, since it uses less digits than its factorization.

1318873132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329718287 (or 329718285 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 1318873132 is about 36316.2929275553. The cubic root of 1318873132 is about 1096.6490674255.

It can be divided in two parts, 13188 and 73132, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 1318873132 in words is "one billion, three hundred eighteen million, eight hundred seventy-three thousand, one hundred thirty-two".