1302430139 has 8 divisors (see below), whose sum is σ = 1342313280. Its totient is φ = 1262983176.

The previous prime is 1302430127. The next prime is 1302430141. The reversal of 1302430139 is 9310342031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1302430139 - 2¹² = 1302426043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302438139) 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, 102977 + ... + 114930.

It is an arithmetic number, because the mean of its divisors is an integer number (167789160).

Almost surely, 2^1302430139 is an apocalyptic number.

1302430139 is a deficient number, since it is larger than the sum of its proper divisors (39883141).

1302430139 is a wasteful number, since it uses less digits than its factorization.

1302430139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218089.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1302430139 is about 36089.1969846934. The cubic root of 1302430139 is about 1092.0725203641.

The spelling of 1302430139 in words is "one billion, three hundred two million, four hundred thirty thousand, one hundred thirty-nine".