1390275137649 has 16 divisors (see below), whose sum is σ = 1869993862400. Its totient is φ = 918733260816.

The previous prime is 1390275137621. The next prime is 1390275137717. The reversal of 1390275137649 is 9467315720931.

It is not a de Polignac number, because 1390275137649 - 2³² = 1385980170353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390275137609) 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 15 ways as a sum of consecutive naturals, for example, 3565459 + ... + 3936120.

It is an arithmetic number, because the mean of its divisors is an integer number (116874616400).

Almost surely, 2^{1390275137649} is an apocalyptic number.

It is an amenable number.

1390275137649 is a deficient number, since it is larger than the sum of its proper divisors (479718724751).

1390275137649 is a wasteful number, since it uses less digits than its factorization.

1390275137649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502124.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 1390275137649 in words is "one trillion, three hundred ninety billion, two hundred seventy-five million, one hundred thirty-seven thousand, six hundred forty-nine".