1390316553938 has 8 divisors (see below), whose sum is σ = 2245895971788. Its totient is φ = 641684563344.

The previous prime is 1390316553937. The next prime is 1390316553943. The reversal of 1390316553938 is 8393556130931.

It can be written as a sum of positive squares in 2 ways, for example, as 1098205490209 + 292111063729 = 1047953^2 + 540473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1390316553937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26736856781 + ... + 26736856832.

Almost surely, 2^{1390316553938} is an apocalyptic number.

1390316553938 is a deficient number, since it is larger than the sum of its proper divisors (855579417850).

1390316553938 is a wasteful number, since it uses less digits than its factorization.

1390316553938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53473713628.

The product of its (nonzero) digits is 7873200, while the sum is 56.

The spelling of 1390316553938 in words is "one trillion, three hundred ninety billion, three hundred sixteen million, five hundred fifty-three thousand, nine hundred thirty-eight".