1342020144 has 20 divisors (see below), whose sum is σ = 3466885496. Its totient is φ = 447340032.

The previous prime is 1342020091. The next prime is 1342020149. The reversal of 1342020144 is 4410202431.

It is a self number, because there is not a number n which added to its sum of digits gives 1342020144.

It is not an unprimeable number, because it can be changed into a prime (1342020149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13979329 + ... + 13979424.

Almost surely, 2^1342020144 is an apocalyptic number.

It is an amenable number.

1342020144 is an abundant number, since it is smaller than the sum of its proper divisors (2124865352).

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

1342020144 is a wasteful number, since it uses less digits than its factorization.

1342020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27958764 (or 27958758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1342020144 is about 36633.5931079658. The cubic root of 1342020144 is about 1103.0275121246.

Adding to 1342020144 its reverse (4410202431), we get a palindrome (5752222575).

The spelling of 1342020144 in words is "one billion, three hundred forty-two million, twenty thousand, one hundred forty-four".