1541938854 has 16 divisors (see below), whose sum is σ = 3084885360. Its totient is φ = 513811680.

The previous prime is 1541938829. The next prime is 1541938859. The reversal of 1541938854 is 4588391451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541938859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21309 + ... + 59480.

It is an arithmetic number, because the mean of its divisors is an integer number (192805335).

Almost surely, 2^1541938854 is an apocalyptic number.

1541938854 is an abundant number, since it is smaller than the sum of its proper divisors (1542946506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1541938854 is a wasteful number, since it uses less digits than its factorization.

1541938854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83975.

The product of its digits is 691200, while the sum is 48.

The square root of 1541938854 is about 39267.5292576449. The cubic root of 1541938854 is about 1155.2847767653.

The spelling of 1541938854 in words is "one billion, five hundred forty-one million, nine hundred thirty-eight thousand, eight hundred fifty-four".