1138636802252 has 24 divisors (see below), whose sum is σ = 2080440289536. Its totient is φ = 544253635728.

The previous prime is 1138636802207. The next prime is 1138636802257. The reversal of 1138636802252 is 2522086368311.

It is a junction number, because it is equal to n+sod(n) for n = 1138636802197 and 1138636802206.

It is not an unprimeable number, because it can be changed into a prime (1138636802257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3381488 + ... + 3702935.

It is an arithmetic number, because the mean of its divisors is an integer number (86685012064).

Almost surely, 2^{1138636802252} is an apocalyptic number.

It is an amenable number.

1138636802252 is a deficient number, since it is larger than the sum of its proper divisors (941803487284).

1138636802252 is a wasteful number, since it uses less digits than its factorization.

1138636802252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086197 (or 7086195 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 1138636802252 in words is "one trillion, one hundred thirty-eight billion, six hundred thirty-six million, eight hundred two thousand, two hundred fifty-two".