1401513836 has 12 divisors (see below), whose sum is σ = 2470552728. Its totient is φ = 695641632.

The previous prime is 1401513823. The next prime is 1401513863. The reversal of 1401513836 is 6383151041.

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, 1278206 + ... + 1279301.

It is an arithmetic number, because the mean of its divisors is an integer number (205879394).

Almost surely, 2^1401513836 is an apocalyptic number.

It is an amenable number.

1401513836 is a deficient number, since it is larger than the sum of its proper divisors (1069038892).

1401513836 is a wasteful number, since it uses less digits than its factorization.

1401513836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557648 (or 2557646 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1401513836 is about 37436.7978865714. The cubic root of 1401513836 is about 1119.0920138803.

Adding to 1401513836 its reverse (6383151041), we get a palindrome (7784664877).

The spelling of 1401513836 in words is "one billion, four hundred one million, five hundred thirteen thousand, eight hundred thirty-six".