2138471502 has 8 divisors (see below), whose sum is σ = 4276943016. Its totient is φ = 712823832.

The previous prime is 2138471473. The next prime is 2138471521. The reversal of 2138471502 is 2051748312.

It is a sphenic number, since it is the product of 3 distinct primes.

2138471502 is an admirable number.

It is a super-2 number, since 2×2138471502² = 9146120729732272008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178205953 + ... + 178205964.

It is an arithmetic number, because the mean of its divisors is an integer number (534617877).

Almost surely, 2^2138471502 is an apocalyptic number.

2138471502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2138471502 is a wasteful number, since it uses less digits than its factorization.

2138471502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356411922.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2138471502 is about 46243.6103910584. The cubic root of 2138471502 is about 1288.3518606958.

The spelling of 2138471502 in words is "two billion, one hundred thirty-eight million, four hundred seventy-one thousand, five hundred two".