1263454381134 has 24 divisors (see below), whose sum is σ = 2986346719512. Its totient is φ = 382864963920.

The previous prime is 1263454381121. The next prime is 1263454381153. The reversal of 1263454381134 is 4311834543621.

1263454381134 is a `hidden beast` number, since 1 + 2 + 63 + 4 + 543 + 8 + 11 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1263454381134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3190541169 + ... + 3190541564.

It is an arithmetic number, because the mean of its divisors is an integer number (124431113313).

Almost surely, 2^{1263454381134} is an apocalyptic number.

1263454381134 is an abundant number, since it is smaller than the sum of its proper divisors (1722892338378).

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

1263454381134 is a wasteful number, since it uses less digits than its factorization.

1263454381134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381082752 (or 6381082749 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 1263454381134 in words is "one trillion, two hundred sixty-three billion, four hundred fifty-four million, three hundred eighty-one thousand, one hundred thirty-four".