1381234717 has 8 divisors (see below), whose sum is σ = 1465028856. Its totient is φ = 1297723392.

The previous prime is 1381234703. The next prime is 1381234733. The reversal of 1381234717 is 7174321831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 758782116 + 622452601 = 27546^2 + 24949^2 .

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 1381234717 - 2²⁷ = 1247016989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381234747) 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, 60598 + ... + 80215.

It is an arithmetic number, because the mean of its divisors is an integer number (183128607).

Almost surely, 2^1381234717 is an apocalyptic number.

1381234717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1381234717 is a deficient number, since it is larger than the sum of its proper divisors (83794139).

1381234717 is a wasteful number, since it uses less digits than its factorization.

1381234717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141407.

The product of its digits is 28224, while the sum is 37.

The square root of 1381234717 is about 37164.9662585613. The cubic root of 1381234717 is about 1113.6682248685.

The spelling of 1381234717 in words is "one billion, three hundred eighty-one million, two hundred thirty-four thousand, seven hundred seventeen".