1397881295 has 8 divisors (see below), whose sum is σ = 1731569280. Its totient is φ = 1082230560.

The previous prime is 1397881241. The next prime is 1397881313. The reversal of 1397881295 is 5921887931.

It is a happy number.

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

It is not a de Polignac number, because 1397881295 - 2⁸ = 1397881039 is a prime.

It is a super-2 number, since 2×1397881295² = 3908144229821754050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4509140 + ... + 4509449.

It is an arithmetic number, because the mean of its divisors is an integer number (216446160).

Almost surely, 2^1397881295 is an apocalyptic number.

1397881295 is a deficient number, since it is larger than the sum of its proper divisors (333687985).

1397881295 is an equidigital number, since it uses as much as digits as its factorization.

1397881295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018625.

The product of its digits is 1088640, while the sum is 53.

The square root of 1397881295 is about 37388.2507614357. The cubic root of 1397881295 is about 1118.1243305331.

The spelling of 1397881295 in words is "one billion, three hundred ninety-seven million, eight hundred eighty-one thousand, two hundred ninety-five".