1307281132 has 6 divisors (see below), whose sum is σ = 2287741988. Its totient is φ = 653640564.

The previous prime is 1307281109. The next prime is 1307281133. The reversal of 1307281132 is 2311827031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307281132.

It is not an unprimeable number, because it can be changed into a prime (1307281133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163410138 + ... + 163410145.

Almost surely, 2^1307281132 is an apocalyptic number.

It is an amenable number.

1307281132 is a deficient number, since it is larger than the sum of its proper divisors (980460856).

1307281132 is a wasteful number, since it uses less digits than its factorization.

1307281132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326820287 (or 326820285 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1307281132 is about 36156.3429013500. The cubic root of 1307281132 is about 1093.4266742721.

The spelling of 1307281132 in words is "one billion, three hundred seven million, two hundred eighty-one thousand, one hundred thirty-two".