1396563654 has 16 divisors (see below), whose sum is σ = 2795289840. Its totient is φ = 465160800.

The previous prime is 1396563653. The next prime is 1396563661. The reversal of 1396563654 is 4563656931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396563653) 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 7 ways as a sum of consecutive naturals, for example, 81649 + ... + 97260.

It is an arithmetic number, because the mean of its divisors is an integer number (174705615).

Almost surely, 2^1396563654 is an apocalyptic number.

1396563654 is an abundant number, since it is smaller than the sum of its proper divisors (1398726186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396563654 is a wasteful number, since it uses less digits than its factorization.

1396563654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180215.

The product of its digits is 1749600, while the sum is 48.

The square root of 1396563654 is about 37370.6255500226. The cubic root of 1396563654 is about 1117.7729059367.

The spelling of 1396563654 in words is "one billion, three hundred ninety-six million, five hundred sixty-three thousand, six hundred fifty-four".