1380415226 has 4 divisors (see below), whose sum is σ = 2070622842. Its totient is φ = 690207612.

The previous prime is 1380415199. The next prime is 1380415229. The reversal of 1380415226 is 6225140831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1361536201 + 18879025 = 36899^2 + 4345^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1380415192 and 1380415201.

It is not an unprimeable number, because it can be changed into a prime (1380415229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345103805 + ... + 345103808.

Almost surely, 2^1380415226 is an apocalyptic number.

1380415226 is a deficient number, since it is larger than the sum of its proper divisors (690207616).

1380415226 is an equidigital number, since it uses as much as digits as its factorization.

1380415226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690207615.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1380415226 is about 37153.9395757704. The cubic root of 1380415226 is about 1113.4479336497.

The spelling of 1380415226 in words is "one billion, three hundred eighty million, four hundred fifteen thousand, two hundred twenty-six".