1307696140 has 24 divisors (see below), whose sum is σ = 2767790592. Its totient is φ = 518958720.

The previous prime is 1307696123. The next prime is 1307696149. The reversal of 1307696140 is 416967031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307696140.

It is not an unprimeable number, because it can be changed into a prime (1307696149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254881 + ... + 259960.

It is an arithmetic number, because the mean of its divisors is an integer number (115324608).

Almost surely, 2^1307696140 is an apocalyptic number.

1307696140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1307696140 is an abundant number, since it is smaller than the sum of its proper divisors (1460094452).

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

1307696140 is a wasteful number, since it uses less digits than its factorization.

1307696140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514977 (or 514975 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1307696140 is about 36162.0815219478. The cubic root of 1307696140 is about 1093.5423680316.

The spelling of 1307696140 in words is "one billion, three hundred seven million, six hundred ninety-six thousand, one hundred forty".