1381270753 has 2 divisors, whose sum is σ = 1381270754. Its totient is φ = 1381270752.

The previous prime is 1381270747. The next prime is 1381270801. The reversal of 1381270753 is 3570721831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698650624 + 682620129 = 26432^2 + 26127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1381270753 is a prime.

It is a super-3 number, since 3×1381270753³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1381270703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690635376 + 690635377.

It is an arithmetic number, because the mean of its divisors is an integer number (690635377).

Almost surely, 2^1381270753 is an apocalyptic number.

It is an amenable number.

1381270753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381270753 is an equidigital number, since it uses as much as digits as its factorization.

1381270753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1381270753 is about 37165.4510668174. The cubic root of 1381270753 is about 1113.6779098744.

The spelling of 1381270753 in words is "one billion, three hundred eighty-one million, two hundred seventy thousand, seven hundred fifty-three".