36138221024 has 12 divisors (see below), whose sum is σ = 71147122704. Its totient is φ = 18069110496.

The previous prime is 36138220969. The next prime is 36138221113. The reversal of 36138221024 is 42012283163.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1129319407 = 36138221024 / (3 + 6 + 1 + 3 + 8 + 2 + 2 + 1 + 0 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564659672 + ... + 564659735.

It is an arithmetic number, because the mean of its divisors is an integer number (5928926892).

Almost surely, 2^36138221024 is an apocalyptic number.

It is an amenable number.

36138221024 is a deficient number, since it is larger than the sum of its proper divisors (35008901680).

36138221024 is a wasteful number, since it uses less digits than its factorization.

36138221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129319417 (or 1129319409 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 36138221024 in words is "thirty-six billion, one hundred thirty-eight million, two hundred twenty-one thousand, twenty-four".