1541142394 has 12 divisors (see below), whose sum is σ = 2540974842. Its totient is φ = 700519160.

The previous prime is 1541142311. The next prime is 1541142409. The reversal of 1541142394 is 4932411451.

It can be written as a sum of positive squares in only one way, i.e., 1539542169 + 1600225 = 39237^2 + 1265^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3183937 + ... + 3184420.

Almost surely, 2^1541142394 is an apocalyptic number.

1541142394 is a deficient number, since it is larger than the sum of its proper divisors (999832448).

1541142394 is a wasteful number, since it uses less digits than its factorization.

1541142394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368381 (or 6368370 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 1541142394 is about 39257.3864896786. The cubic root of 1541142394 is about 1155.0858288448.

The spelling of 1541142394 in words is "one billion, five hundred forty-one million, one hundred forty-two thousand, three hundred ninety-four".