1394835139442 has 8 divisors (see below), whose sum is σ = 2097773166000. Its totient is φ = 695577417444.

The previous prime is 1394835139417. The next prime is 1394835139487. The reversal of 1394835139442 is 2449315384931.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920075192 + ... + 920076707.

It is an arithmetic number, because the mean of its divisors is an integer number (262221645750).

Almost surely, 2^{1394835139442} is an apocalyptic number.

1394835139442 is a deficient number, since it is larger than the sum of its proper divisors (702938026558).

1394835139442 is a wasteful number, since it uses less digits than its factorization.

1394835139442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840152280.

The product of its digits is 11197440, while the sum is 56.

The spelling of 1394835139442 in words is "one trillion, three hundred ninety-four billion, eight hundred thirty-five million, one hundred thirty-nine thousand, four hundred forty-two".