1343730136 has 48 divisors (see below), whose sum is σ = 2961138600. Its totient is φ = 569931264.

The previous prime is 1343730107. The next prime is 1343730139. The reversal of 1343730136 is 6310373431.

It is a happy number.

It is a super-2 number, since 2×1343730136² = 3611221356789156992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343730098 and 1343730107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343730139) 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, 20355 + ... + 55693.

Almost surely, 2^1343730136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343730136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480569300).

1343730136 is an abundant number, since it is smaller than the sum of its proper divisors (1617408464).

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

1343730136 is a wasteful number, since it uses less digits than its factorization.

1343730136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35456 (or 35445 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 1343730136 is about 36656.9248028255. The cubic root of 1343730136 is about 1103.4958030771.

The spelling of 1343730136 in words is "one billion, three hundred forty-three million, seven hundred thirty thousand, one hundred thirty-six".