1381341251 has 8 divisors (see below), whose sum is σ = 1390568208. Its totient is φ = 1372140000.

The previous prime is 1381341229. The next prime is 1381341277. The reversal of 1381341251 is 1521431831.

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 1381341251 - 2¹⁰ = 1381340227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1381341151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108101 + ... + 120201.

It is an arithmetic number, because the mean of its divisors is an integer number (173821026).

Almost surely, 2^1381341251 is an apocalyptic number.

1381341251 is a deficient number, since it is larger than the sum of its proper divisors (9226957).

1381341251 is a wasteful number, since it uses less digits than its factorization.

1381341251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853.

The product of its digits is 2880, while the sum is 29.

The square root of 1381341251 is about 37166.3994893237. The cubic root of 1381341251 is about 1113.6968563721.

The spelling of 1381341251 in words is "one billion, three hundred eighty-one million, three hundred forty-one thousand, two hundred fifty-one".