1403386145316 has 27 divisors (see below), whose sum is σ = 3547466278993. Its totient is φ = 467793012480.

The previous prime is 1403386145309. The next prime is 1403386145341. The reversal of 1403386145316 is 6135416833041.

The square root of 1403386145316 is 1184646.

It is a perfect power (a square), and thus also a powerful number.

1403386145316 is a `hidden beast` number, since 1 + 4 + 0 + 33 + 86 + 1 + 4 + 531 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 598992410916 + 804393734400 = 773946^2 + 896880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7009156 + ... + 7206596.

Almost surely, 2^{1403386145316} is an apocalyptic number.

1403386145316 is the 1184646-th square number.

It is an amenable number.

1403386145316 is an abundant number, since it is smaller than the sum of its proper divisors (2144080133677).

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

1403386145316 is an frugal number, since it uses more digits than its factorization.

1403386145316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394892 (or 197446 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 1403386145316 in words is "one trillion, four hundred three billion, three hundred eighty-six million, one hundred forty-five thousand, three hundred sixteen".