1138937464835 has 4 divisors (see below), whose sum is σ = 1366724957808. Its totient is φ = 911149971864.

The previous prime is 1138937464811. The next prime is 1138937464879. The reversal of 1138937464835 is 5384647398311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138937464835 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113893746479 + ... + 113893746488.

It is an arithmetic number, because the mean of its divisors is an integer number (341681239452).

Almost surely, 2^{1138937464835} is an apocalyptic number.

1138937464835 is a deficient number, since it is larger than the sum of its proper divisors (227787492973).

1138937464835 is an equidigital number, since it uses as much as digits as its factorization.

1138937464835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227787492972.

The product of its digits is 52254720, while the sum is 62.

The spelling of 1138937464835 in words is "one trillion, one hundred thirty-eight billion, nine hundred thirty-seven million, four hundred sixty-four thousand, eight hundred thirty-five".