1381103530 has 8 divisors (see below), whose sum is σ = 2485986372. Its totient is φ = 552441408.

The previous prime is 1381103519. The next prime is 1381103587. The reversal of 1381103530 is 353011831.

It can be written as a sum of positive squares in 2 ways, for example, as 1377374769 + 3728761 = 37113^2 + 1931^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1381103495 and 1381103504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69055167 + ... + 69055186.

Almost surely, 2^1381103530 is an apocalyptic number.

1381103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381103530 is a deficient number, since it is larger than the sum of its proper divisors (1104882842).

1381103530 is a wasteful number, since it uses less digits than its factorization.

1381103530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138110360.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1381103530 is about 37163.2012883713. The cubic root of 1381103530 is about 1113.6329657347.

The spelling of 1381103530 in words is "one billion, three hundred eighty-one million, one hundred three thousand, five hundred thirty".