1301390938 has 8 divisors (see below), whose sum is σ = 1988918388. Its totient is φ = 638418144.

The previous prime is 1301390927. The next prime is 1301390939. The reversal of 1301390938 is 8390931031.

It can be written as a sum of positive squares in 2 ways, for example, as 1300107249 + 1283689 = 36057^2 + 1133^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1301390897 and 1301390906.

It is not an unprimeable number, because it can be changed into a prime (1301390939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138531 + ... + 6138742.

Almost surely, 2^1301390938 is an apocalyptic number.

1301390938 is a deficient number, since it is larger than the sum of its proper divisors (687527450).

1301390938 is a wasteful number, since it uses less digits than its factorization.

1301390938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277328.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1301390938 is about 36074.7964374021. The cubic root of 1301390938 is about 1091.7819904299.

The spelling of 1301390938 in words is "one billion, three hundred one million, three hundred ninety thousand, nine hundred thirty-eight".