1381154468 has 12 divisors (see below), whose sum is σ = 2417743692. Its totient is φ = 690370560.

The previous prime is 1381154461. The next prime is 1381154483. The reversal of 1381154468 is 8644511831.

It can be written as a sum of positive squares in 2 ways, for example, as 751746724 + 629407744 = 27418^2 + 25088^2 .

It is not an unprimeable number, because it can be changed into a prime (1381154461) 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, 36113 + ... + 63768.

It is an arithmetic number, because the mean of its divisors is an integer number (201478641).

Almost surely, 2^1381154468 is an apocalyptic number.

It is an amenable number.

1381154468 is a deficient number, since it is larger than the sum of its proper divisors (1036589224).

1381154468 is a wasteful number, since it uses less digits than its factorization.

1381154468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103342 (or 103340 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 1381154468 is about 37163.8866105255. The cubic root of 1381154468 is about 1113.6466566076.

The spelling of 1381154468 in words is "one billion, three hundred eighty-one million, one hundred fifty-four thousand, four hundred sixty-eight".