1394139192850 has 24 divisors (see below), whose sum is σ = 2597208464448. Its totient is φ = 556771899600.

The previous prime is 1394139192847. The next prime is 1394139192863. The reversal of 1394139192850 is 582919314931.

It is a super-2 number, since 2×1394139192850² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1394139192791 and 1394139192800.

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 11 ways as a sum of consecutive naturals, for example, 22062574 + ... + 22125673.

It is an arithmetic number, because the mean of its divisors is an integer number (108217019352).

Almost surely, 2^{1394139192850} is an apocalyptic number.

1394139192850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1394139192850 is a deficient number, since it is larger than the sum of its proper divisors (1203069271598).

1394139192850 is a wasteful number, since it uses less digits than its factorization.

1394139192850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44188890 (or 44188885 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 1394139192850 in words is "one trillion, three hundred ninety-four billion, one hundred thirty-nine million, one hundred ninety-two thousand, eight hundred fifty".