1313040036 has 48 divisors (see below), whose sum is σ = 3819755520. Its totient is φ = 341049120.

The previous prime is 1313040007. The next prime is 1313040037. The reversal of 1313040036 is 6300403131.

It is a super-2 number, since 2×1313040036² = 3448148272277762592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1313039994 and 1313040021.

It is not an unprimeable number, because it can be changed into a prime (1313040037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709596 + ... + 711443.

It is an arithmetic number, because the mean of its divisors is an integer number (79578240).

Almost surely, 2^1313040036 is an apocalyptic number.

It is an amenable number.

1313040036 is an abundant number, since it is smaller than the sum of its proper divisors (2506715484).

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

1313040036 is a wasteful number, since it uses less digits than its factorization.

1313040036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421064 (or 1421062 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1313040036 is about 36235.8943038529. The cubic root of 1313040036 is about 1095.0299293335.

Adding to 1313040036 its reverse (6300403131), we get a palindrome (7613443167).

The spelling of 1313040036 in words is "one billion, three hundred thirteen million, forty thousand, thirty-six".