15284212138 has 16 divisors (see below), whose sum is σ = 24701160960. Its totient is φ = 7051028976.

The previous prime is 15284212121. The next prime is 15284212213. The reversal of 15284212138 is 83121248251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15284212097 and 15284212106.

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, 75798 + ... + 190561.

It is an arithmetic number, because the mean of its divisors is an integer number (1543822560).

Almost surely, 2^15284212138 is an apocalyptic number.

15284212138 is a deficient number, since it is larger than the sum of its proper divisors (9416948822).

15284212138 is a wasteful number, since it uses less digits than its factorization.

15284212138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268581.

The product of its digits is 30720, while the sum is 37.

The spelling of 15284212138 in words is "fifteen billion, two hundred eighty-four million, two hundred twelve thousand, one hundred thirty-eight".