2138351298 has 16 divisors (see below), whose sum is σ = 4278518496. Its totient is φ = 712481120.

The previous prime is 2138351251. The next prime is 2138351329. The reversal of 2138351298 is 8921538312.

It is a happy number.

It is a super-3 number, since 3×2138351298³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60108 + ... + 88823.

It is an arithmetic number, because the mean of its divisors is an integer number (267407406).

Almost surely, 2^2138351298 is an apocalyptic number.

2138351298 is an abundant number, since it is smaller than the sum of its proper divisors (2140167198).

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

2138351298 is a wasteful number, since it uses less digits than its factorization.

2138351298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151329.

The product of its digits is 103680, while the sum is 42.

The square root of 2138351298 is about 46242.3106905354. The cubic root of 2138351298 is about 1288.3277207203.

The spelling of 2138351298 in words is "two billion, one hundred thirty-eight million, three hundred fifty-one thousand, two hundred ninety-eight".