3138842070 has 384 divisors, whose sum is σ = 10726318080. Its totient is φ = 638876160.

The previous prime is 3138842059. The next prime is 3138842093. The reversal of 3138842070 is 702488313.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9901552 + ... + 9901868.

It is an arithmetic number, because the mean of its divisors is an integer number (27933120).

Almost surely, 2^3138842070 is an apocalyptic number.

3138842070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3138842070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5363159040).

3138842070 is an abundant number, since it is smaller than the sum of its proper divisors (7587476010).

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

3138842070 is a wasteful number, since it uses less digits than its factorization.

3138842070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3138842070 is about 56025.3698782971. The cubic root of 3138842070 is about 1464.1643274962.

The spelling of 3138842070 in words is "three billion, one hundred thirty-eight million, eight hundred forty-two thousand, seventy".