1381613027 has 4 divisors (see below), whose sum is σ = 1387699656. Its totient is φ = 1375526400.

The previous prime is 1381613017. The next prime is 1381613029. The reversal of 1381613027 is 7203161831.

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

It is a cyclic number.

It is not a de Polignac number, because 1381613027 - 2⁴ = 1381613011 is a prime.

It is a super-2 number, since 2×1381613027² = 3817709112752205458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1381612984 and 1381613002.

It is not an unprimeable number, because it can be changed into a prime (1381613029) 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, 3042974 + ... + 3043427.

It is an arithmetic number, because the mean of its divisors is an integer number (346924914).

Almost surely, 2^1381613027 is an apocalyptic number.

1381613027 is a deficient number, since it is larger than the sum of its proper divisors (6086629).

1381613027 is an equidigital number, since it uses as much as digits as its factorization.

1381613027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086628.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1381613027 is about 37170.0555151590. The cubic root of 1381613027 is about 1113.7698907577.

Adding to 1381613027 its reverse (7203161831), we get a palindrome (8584774858).

The spelling of 1381613027 in words is "one billion, three hundred eighty-one million, six hundred thirteen thousand, twenty-seven".