3138489340 has 192 divisors, whose sum is σ = 8230118400. Its totient is φ = 980987904.

The previous prime is 3138489329. The next prime is 3138489353. The reversal of 3138489340 is 439848313.

It is a super-3 number, since 3×3138489340³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17533371 + ... + 17533549.

It is an arithmetic number, because the mean of its divisors is an integer number (42865200).

Almost surely, 2^3138489340 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 3138489340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115059200).

3138489340 is an abundant number, since it is smaller than the sum of its proper divisors (5091629060).

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

3138489340 is a wasteful number, since it uses less digits than its factorization.

3138489340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 3138489340 is about 56022.2218409802. The cubic root of 3138489340 is about 1464.1094798785.

The spelling of 3138489340 in words is "three billion, one hundred thirty-eight million, four hundred eighty-nine thousand, three hundred forty".