1394052318990 has 64 divisors (see below), whose sum is σ = 3717582765120. Its totient is φ = 371736293760.

The previous prime is 1394052318973. The next prime is 1394052319003. The reversal of 1394052318990 is 998132504931.

1394052318990 is a `hidden beast` number, since 1 + 39 + 4 + 0 + 523 + 1 + 89 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13605832 + ... + 13707908.

It is an arithmetic number, because the mean of its divisors is an integer number (58087230705).

Almost surely, 2^{1394052318990} is an apocalyptic number.

1394052318990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1394052318990 is an abundant number, since it is smaller than the sum of its proper divisors (2323530446130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394052318990 is a wasteful number, since it uses less digits than its factorization.

1394052318990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152674 (or 152668 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 1394052318990 in words is "one trillion, three hundred ninety-four billion, fifty-two million, three hundred eighteen thousand, nine hundred ninety".