1343454520 has 64 divisors (see below), whose sum is σ = 3076768800. Its totient is φ = 527831040.

The previous prime is 1343454491. The next prime is 1343454521. The reversal of 1343454520 is 254543431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343454521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524480 + ... + 1525360.

Almost surely, 2^1343454520 is an apocalyptic number.

1343454520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343454520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538384400).

1343454520 is an abundant number, since it is smaller than the sum of its proper divisors (1733314280).

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

1343454520 is a wasteful number, since it uses less digits than its factorization.

1343454520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1343454520 is about 36653.1652112065. The cubic root of 1343454520 is about 1103.4203509488.

Adding to 1343454520 its reverse (254543431), we get a palindrome (1597997951).

The spelling of 1343454520 in words is "one billion, three hundred forty-three million, four hundred fifty-four thousand, five hundred twenty".