1312500132 has 48 divisors (see below), whose sum is σ = 3405068800. Its totient is φ = 437205600.

The previous prime is 1312500047. The next prime is 1312500179. The reversal of 1312500132 is 2310052131.

1312500132 is a `hidden beast` number, since 1 + 31 + 2 + 500 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207594 + ... + 213822.

Almost surely, 2^1312500132 is an apocalyptic number.

1312500132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312500132 is an abundant number, since it is smaller than the sum of its proper divisors (2092568668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312500132 is a wasteful number, since it uses less digits than its factorization.

1312500132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1312500132 is about 36228.4436872466. The cubic root of 1312500132 is about 1094.8798216765.

Adding to 1312500132 its reverse (2310052131), we get a palindrome (3622552263).

The spelling of 1312500132 in words is "one billion, three hundred twelve million, five hundred thousand, one hundred thirty-two".