1263476140 has 24 divisors (see below), whose sum is σ = 2662687440. Its totient is φ = 503602368.

The previous prime is 1263476113. The next prime is 1263476141. The reversal of 1263476140 is 416743621.

It is a junction number, because it is equal to n+sod(n) for n = 1263476096 and 1263476105.

It is not an unprimeable number, because it can be changed into a prime (1263476141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105955 + ... + 117274.

It is an arithmetic number, because the mean of its divisors is an integer number (110945310).

Almost surely, 2^1263476140 is an apocalyptic number.

1263476140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263476140 is an abundant number, since it is smaller than the sum of its proper divisors (1399211300).

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

1263476140 is a wasteful number, since it uses less digits than its factorization.

1263476140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223521 (or 223519 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1263476140 is about 35545.4095489136. The cubic root of 1263476140 is about 1081.0746447782.

The spelling of 1263476140 in words is "one billion, two hundred sixty-three million, four hundred seventy-six thousand, one hundred forty".