1400013056 has 36 divisors (see below), whose sum is σ = 3009530412. Its totient is φ = 646158336.

The previous prime is 1400013037. The next prime is 1400013061. The reversal of 1400013056 is 6503100041.

It can be written as a sum of positive squares in 2 ways, for example, as 519110656 + 880902400 = 22784^2 + 29680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207011 + ... + 213666.

It is an arithmetic number, because the mean of its divisors is an integer number (83598067).

Almost surely, 2^1400013056 is an apocalyptic number.

1400013056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400013056 is an abundant number, since it is smaller than the sum of its proper divisors (1609517356).

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

1400013056 is an equidigital number, since it uses as much as digits as its factorization.

1400013056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420706 (or 420692 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1400013056 is about 37416.7483354714. The cubic root of 1400013056 is about 1118.6924195951.

Adding to 1400013056 its reverse (6503100041), we get a palindrome (7903113097).

The spelling of 1400013056 in words is "one billion, four hundred million, thirteen thousand, fifty-six".