1350202140 has 72 divisors (see below), whose sum is σ = 4680705120. Its totient is φ = 308617344.

The previous prime is 1350202127. The next prime is 1350202141. The reversal of 1350202140 is 412020531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350202141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534535 + ... + 537054.

Almost surely, 2^1350202140 is an apocalyptic number.

1350202140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350202140 is an abundant number, since it is smaller than the sum of its proper divisors (3330502980).

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

1350202140 is a wasteful number, since it uses less digits than its factorization.

1350202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071611 (or 1071606 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1350202140 is about 36745.0968157658. The cubic root of 1350202140 is about 1105.2646090708.

Adding to 1350202140 its reverse (412020531), we get a palindrome (1762222671).

The spelling of 1350202140 in words is "one billion, three hundred fifty million, two hundred two thousand, one hundred forty".