3138958830 has 64 divisors (see below), whose sum is σ = 8622402048. Its totient is φ = 716419200.

The previous prime is 3138958813. The next prime is 3138958831. The reversal of 3138958830 is 388598313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3138958830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138958831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136549 + ... + 157871.

It is an arithmetic number, because the mean of its divisors is an integer number (134725032).

Almost surely, 2^3138958830 is an apocalyptic number.

3138958830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3138958830 is an abundant number, since it is smaller than the sum of its proper divisors (5483443218).

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

3138958830 is a wasteful number, since it uses less digits than its factorization.

3138958830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22041.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 3138958830 is about 56026.4118965332. The cubic root of 3138958830 is about 1464.1824821430.

The spelling of 3138958830 in words is "three billion, one hundred thirty-eight million, nine hundred fifty-eight thousand, eight hundred thirty".