1342353920 has 80 divisors (see below), whose sum is σ = 3237402168. Its totient is φ = 533790720.

The previous prime is 1342353917. The next prime is 1342353941. The reversal of 1342353920 is 293532431.

It can be written as a sum of positive squares in 4 ways, for example, as 361912576 + 980441344 = 19024^2 + 31312^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461912 + ... + 464808.

Almost surely, 2^1342353920 is an apocalyptic number.

1342353920 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 1342353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618701084).

1342353920 is an abundant number, since it is smaller than the sum of its proper divisors (1895048248).

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

1342353920 is an equidigital number, since it uses as much as digits as its factorization.

1342353920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1342353920 is about 36638.1484248317. The cubic root of 1342353920 is about 1103.1189497966.

The spelling of 1342353920 in words is "one billion, three hundred forty-two million, three hundred fifty-three thousand, nine hundred twenty".