1400008963 has 4 divisors (see below), whose sum is σ = 1404020800. Its totient is φ = 1395997128.

The previous prime is 1400008889. The next prime is 1400008969. The reversal of 1400008963 is 3698000041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3698000041 = 40961 ⋅90281.

It is a cyclic number.

It is not a de Polignac number, because 1400008963 - 2¹⁷ = 1399877891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400008969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005395 + ... + 2006092.

It is an arithmetic number, because the mean of its divisors is an integer number (351005200).

Almost surely, 2^1400008963 is an apocalyptic number.

1400008963 is a deficient number, since it is larger than the sum of its proper divisors (4011837).

1400008963 is an equidigital number, since it uses as much as digits as its factorization.

1400008963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011836.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1400008963 is about 37416.6936406733. The cubic root of 1400008963 is about 1118.6913294118.

The spelling of 1400008963 in words is "one billion, four hundred million, eight thousand, nine hundred sixty-three".