1310204140 has 36 divisors (see below), whose sum is σ = 3200643936. Its totient is φ = 449212512.

The previous prime is 1310204117. The next prime is 1310204141. The reversal of 1310204140 is 414020131.

1310204140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1310204141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667492 + ... + 669451.

It is an arithmetic number, because the mean of its divisors is an integer number (88906776).

Almost surely, 2^1310204140 is an apocalyptic number.

1310204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310204140 is an abundant number, since it is smaller than the sum of its proper divisors (1890439796).

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

1310204140 is a wasteful number, since it uses less digits than its factorization.

1310204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336966 (or 1336957 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1310204140 is about 36196.7421185940. The cubic root of 1310204140 is about 1094.2410147369.

Adding to 1310204140 its reverse (414020131), we get a palindrome (1724224271).

The spelling of 1310204140 in words is "one billion, three hundred ten million, two hundred four thousand, one hundred forty".