1406266631263 has 24 divisors (see below), whose sum is σ = 1541461794768. Its totient is φ = 1282158738432.

The previous prime is 1406266631233. The next prime is 1406266631309. The reversal of 1406266631263 is 3621366626041.

It is a de Polignac number, because none of the positive numbers 2^k-1406266631263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406266631233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82147581 + ... + 82164697.

It is an arithmetic number, because the mean of its divisors is an integer number (64227574782).

Almost surely, 2^{1406266631263} is an apocalyptic number.

1406266631263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1406266631263 is a deficient number, since it is larger than the sum of its proper divisors (135195163505).

1406266631263 is a wasteful number, since it uses less digits than its factorization.

1406266631263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083 (or 23070 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 1406266631263 in words is "one trillion, four hundred six billion, two hundred sixty-six million, six hundred thirty-one thousand, two hundred sixty-three".