1239848143394 has 32 divisors (see below), whose sum is σ = 2135476452096. Its totient is φ = 528861265920.

The previous prime is 1239848143333. The next prime is 1239848143421. The reversal of 1239848143394 is 4933418489321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4259474 + ... + 4541234.

It is an arithmetic number, because the mean of its divisors is an integer number (66733639128).

Almost surely, 2^{1239848143394} is an apocalyptic number.

1239848143394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1239848143394 is a deficient number, since it is larger than the sum of its proper divisors (895628308702).

1239848143394 is a wasteful number, since it uses less digits than its factorization.

1239848143394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283250.

The product of its digits is 17915904, while the sum is 59.

The spelling of 1239848143394 in words is "one trillion, two hundred thirty-nine billion, eight hundred forty-eight million, one hundred forty-three thousand, three hundred ninety-four".