1343872236 has 144 divisors (see below), whose sum is σ = 3885519456. Its totient is φ = 359202816.

The previous prime is 1343872207. The next prime is 1343872279. The reversal of 1343872236 is 6322783431.

It is a junction number, because it is equal to n+sod(n) for n = 1343872194 and 1343872203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2328780 + ... + 2329356.

It is an arithmetic number, because the mean of its divisors is an integer number (26982774).

Almost surely, 2^1343872236 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 1343872236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942759728).

1343872236 is an abundant number, since it is smaller than the sum of its proper divisors (2541647220).

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

1343872236 is a wasteful number, since it uses less digits than its factorization.

1343872236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 839 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 1343872236 is about 36658.8629938246. The cubic root of 1343872236 is about 1103.5347000804.

The spelling of 1343872236 in words is "one billion, three hundred forty-three million, eight hundred seventy-two thousand, two hundred thirty-six".