1370505307 has 2 divisors, whose sum is σ = 1370505308. Its totient is φ = 1370505306.

The previous prime is 1370505293. The next prime is 1370505329. The reversal of 1370505307 is 7035050731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7035050731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370505307 - 2⁷ = 1370505179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370505107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685252653 + 685252654.

It is an arithmetic number, because the mean of its divisors is an integer number (685252654).

Almost surely, 2^1370505307 is an apocalyptic number.

1370505307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370505307 is an equidigital number, since it uses as much as digits as its factorization.

1370505307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 1370505307 is about 37020.3363977152. The cubic root of 1370505307 is about 1110.7770732176. Note that the first 3 decimals are identical.

The spelling of 1370505307 in words is "one billion, three hundred seventy million, five hundred five thousand, three hundred seven".