1436421340 has 12 divisors (see below), whose sum is σ = 3016484856. Its totient is φ = 574568528.

The previous prime is 1436421319. The next prime is 1436421361. The reversal of 1436421340 is 431246341.

It is an interprime number because it is at equal distance from previous prime (1436421319) and next prime (1436421361).

It is a junction number, because it is equal to n+sod(n) for n = 1436421299 and 1436421308.

It is a congruent number.

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, 35910514 + ... + 35910553.

It is an arithmetic number, because the mean of its divisors is an integer number (251373738).

Almost surely, 2^1436421340 is an apocalyptic number.

1436421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1436421340 is an abundant number, since it is smaller than the sum of its proper divisors (1580063516).

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

1436421340 is a wasteful number, since it uses less digits than its factorization.

1436421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71821076 (or 71821074 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1436421340 is about 37900.1496039264. The cubic root of 1436421340 is about 1128.3070008820.

Adding to 1436421340 its reverse (431246341), we get a palindrome (1867667681).

The spelling of 1436421340 in words is "one billion, four hundred thirty-six million, four hundred twenty-one thousand, three hundred forty".