1306906132 has 24 divisors (see below), whose sum is σ = 2638246464. Its totient is φ = 554866752.

The previous prime is 1306906121. The next prime is 1306906163. The reversal of 1306906132 is 2316096031.

It is a junction number, because it is equal to n+sod(n) for n = 1306906094 and 1306906103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215113 + ... + 221104.

It is an arithmetic number, because the mean of its divisors is an integer number (109926936).

Almost surely, 2^1306906132 is an apocalyptic number.

It is an amenable number.

1306906132 is an abundant number, since it is smaller than the sum of its proper divisors (1331340332).

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

1306906132 is a wasteful number, since it uses less digits than its factorization.

1306906132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436335 (or 436333 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1306906132 is about 36151.1567173168. The cubic root of 1306906132 is about 1093.3221126732.

The spelling of 1306906132 in words is "one billion, three hundred six million, nine hundred six thousand, one hundred thirty-two".