1427443940138 has 8 divisors (see below), whose sum is σ = 2234260080288. Its totient is φ = 682690580044.

The previous prime is 1427443940107. The next prime is 1427443940147. The reversal of 1427443940138 is 8310493447241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15515694956 + ... + 15515695047.

It is an arithmetic number, because the mean of its divisors is an integer number (279282510036).

Almost surely, 2^{1427443940138} is an apocalyptic number.

1427443940138 is a deficient number, since it is larger than the sum of its proper divisors (806816140150).

1427443940138 is a wasteful number, since it uses less digits than its factorization.

1427443940138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031390028.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 1427443940138 in words is "one trillion, four hundred twenty-seven billion, four hundred forty-three million, nine hundred forty thousand, one hundred thirty-eight".