1381418049 has 8 divisors (see below), whose sum is σ = 2009335392. Its totient is φ = 837223040.

The previous prime is 1381418041. The next prime is 1381418069. The reversal of 1381418049 is 9408141831.

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

It is a cyclic number.

It is not a de Polignac number, because 1381418049 - 2³ = 1381418041 is a prime.

It is a super-2 number, since 2×1381418049² = 3816631652205932802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1381417998 and 1381418016.

It is not an unprimeable number, because it can be changed into a prime (1381418041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20930544 + ... + 20930609.

It is an arithmetic number, because the mean of its divisors is an integer number (251166924).

Almost surely, 2^1381418049 is an apocalyptic number.

It is an amenable number.

1381418049 is a deficient number, since it is larger than the sum of its proper divisors (627917343).

1381418049 is a wasteful number, since it uses less digits than its factorization.

1381418049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41861167.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1381418049 is about 37167.4326393417. The cubic root of 1381418049 is about 1113.7174952756.

The spelling of 1381418049 in words is "one billion, three hundred eighty-one million, four hundred eighteen thousand, forty-nine".