3138500664 has 96 divisors (see below), whose sum is σ = 9244872000. Its totient is φ = 956102400.

The previous prime is 3138500657. The next prime is 3138500671. The reversal of 3138500664 is 4660058313.

It is an interprime number because it is at equal distance from previous prime (3138500657) and next prime (3138500671).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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, 77937 + ... + 111135.

It is an arithmetic number, because the mean of its divisors is an integer number (96300750).

Almost surely, 2^3138500664 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 3138500664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4622436000).

3138500664 is an abundant number, since it is smaller than the sum of its proper divisors (6106371336).

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

3138500664 is a wasteful number, since it uses less digits than its factorization.

3138500664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33325 (or 33318 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3138500664 is about 56022.3229079266. The cubic root of 3138500664 is about 1464.1112407634. Note that the first 3 decimals are identical.

Adding to 3138500664 its reverse (4660058313), we get a palindrome (7798558977).

The spelling of 3138500664 in words is "three billion, one hundred thirty-eight million, five hundred thousand, six hundred sixty-four".