1394375004 has 72 divisors (see below), whose sum is σ = 3874590720. Its totient is φ = 419296800.

The previous prime is 1394374997. The next prime is 1394375011. The reversal of 1394375004 is 4005734931.

It is an interprime number because it is at equal distance from previous prime (1394374997) and next prime (1394375011).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1394375004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38437 + ... + 65315.

It is an arithmetic number, because the mean of its divisors is an integer number (53813760).

Almost surely, 2^1394375004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394375004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937295360).

1394375004 is an abundant number, since it is smaller than the sum of its proper divisors (2480215716).

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

1394375004 is a wasteful number, since it uses less digits than its factorization.

1394375004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27031 (or 27026 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1394375004 is about 37341.3310421576. The cubic root of 1394375004 is about 1117.1886879629.

It can be divided in two parts, 139437 and 5004, that added together give a palindrome (144441).

The spelling of 1394375004 in words is "one billion, three hundred ninety-four million, three hundred seventy-five thousand, four".