1493176621138 has 16 divisors (see below), whose sum is σ = 2243420921664. Its totient is φ = 745370262000.

The previous prime is 1493176621103. The next prime is 1493176621171. The reversal of 1493176621138 is 8311266713941.

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 7 ways as a sum of consecutive naturals, for example, 4770331 + ... + 5073697.

It is an arithmetic number, because the mean of its divisors is an integer number (140213807604).

Almost surely, 2^{1493176621138} is an apocalyptic number.

1493176621138 is a deficient number, since it is larger than the sum of its proper divisors (750244300526).

1493176621138 is a wasteful number, since it uses less digits than its factorization.

1493176621138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307377.

The product of its digits is 1306368, while the sum is 52.

The spelling of 1493176621138 in words is "one trillion, four hundred ninety-three billion, one hundred seventy-six million, six hundred twenty-one thousand, one hundred thirty-eight".