1342213240 has 64 divisors (see below), whose sum is σ = 3229450560. Its totient is φ = 500275200.

The previous prime is 1342213217. The next prime is 1342213273. The reversal of 1342213240 is 423122431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58909 + ... + 78451.

It is an arithmetic number, because the mean of its divisors is an integer number (50460165).

Almost surely, 2^1342213240 is an apocalyptic number.

1342213240 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 1342213240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614725280).

1342213240 is an abundant number, since it is smaller than the sum of its proper divisors (1887237320).

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

1342213240 is a wasteful number, since it uses less digits than its factorization.

1342213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672 (or 19668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1342213240 is about 36636.2285176845. The cubic root of 1342213240 is about 1103.0804124697.

Adding to 1342213240 its reverse (423122431), we get a palindrome (1765335671).

It can be divided in two parts, 13422 and 13240, that added together give a palindrome (26662).

The spelling of 1342213240 in words is "one billion, three hundred forty-two million, two hundred thirteen thousand, two hundred forty".