1380862297 has 4 divisors (see below), whose sum is σ = 1453539280. Its totient is φ = 1308185316.

The previous prime is 1380862291. The next prime is 1380862313. The reversal of 1380862297 is 7922680831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7922680831 = 13 ⋅609436987.

It is a cyclic number.

It is not a de Polignac number, because 1380862297 - 2¹⁹ = 1380338009 is a prime.

It is a super-2 number, since 2×1380862297² = 3813561366552232418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380862291) 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, 36338463 + ... + 36338500.

It is an arithmetic number, because the mean of its divisors is an integer number (363384820).

Almost surely, 2^1380862297 is an apocalyptic number.

It is an amenable number.

1380862297 is a deficient number, since it is larger than the sum of its proper divisors (72676983).

1380862297 is an equidigital number, since it uses as much as digits as its factorization.

1380862297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72676982.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1380862297 is about 37159.9555570240. The cubic root of 1380862297 is about 1113.5681237061.

The spelling of 1380862297 in words is "one billion, three hundred eighty million, eight hundred sixty-two thousand, two hundred ninety-seven".