1313140040 has 32 divisors (see below), whose sum is σ = 2955831480. Its totient is φ = 525030912.

The previous prime is 1313140019. The next prime is 1313140043. The reversal of 1313140040 is 400413131.

1313140040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 991368196 + 321771844 = 31486^2 + 17938^2 .

It is not an unprimeable number, because it can be changed into a prime (1313140043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112562 + ... + 123678.

Almost surely, 2^1313140040 is an apocalyptic number.

1313140040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313140040 is an abundant number, since it is smaller than the sum of its proper divisors (1642691440).

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

1313140040 is a wasteful number, since it uses less digits than its factorization.

1313140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081 (or 14077 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1313140040 is about 36237.2741800484. The cubic root of 1313140040 is about 1095.0577285857.

Adding to 1313140040 its reverse (400413131), we get a palindrome (1713553171).

The spelling of 1313140040 in words is "one billion, three hundred thirteen million, one hundred forty thousand, forty".