1307430137 has 6 divisors (see below), whose sum is σ = 1415738142. Its totient is φ = 1206858432.

The previous prime is 1307430127. The next prime is 1307430143. The reversal of 1307430137 is 7310347031.

It can be written as a sum of positive squares in 3 ways, for example, as 12222016 + 1295208121 = 3496^2 + 35989^2 .

It is not a de Polignac number, because 1307430137 - 2¹² = 1307426041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1307430127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3867968 + ... + 3868305.

It is an arithmetic number, because the mean of its divisors is an integer number (235956357).

Almost surely, 2^1307430137 is an apocalyptic number.

It is an amenable number.

1307430137 is a deficient number, since it is larger than the sum of its proper divisors (108308005).

1307430137 is an equidigital number, since it uses as much as digits as its factorization.

1307430137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736299 (or 7736286 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1307430137 is about 36158.4034077834. The cubic root of 1307430137 is about 1093.4682159236.

Adding to 1307430137 its reverse (7310347031), we get a palindrome (8617777168).

The spelling of 1307430137 in words is "one billion, three hundred seven million, four hundred thirty thousand, one hundred thirty-seven".