1307639402 has 16 divisors (see below), whose sum is σ = 1999550880. Its totient is φ = 641209008.

The previous prime is 1307639393. The next prime is 1307639429. The reversal of 1307639402 is 2049367031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8924 + ... + 51912.

It is an arithmetic number, because the mean of its divisors is an integer number (124971930).

Almost surely, 2^1307639402 is an apocalyptic number.

1307639402 is a deficient number, since it is larger than the sum of its proper divisors (691911478).

1307639402 is a wasteful number, since it uses less digits than its factorization.

1307639402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43285.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1307639402 is about 36161.2970176679. The cubic root of 1307639402 is about 1093.5265523533.

The spelling of 1307639402 in words is "one billion, three hundred seven million, six hundred thirty-nine thousand, four hundred two".