1335220144 has 10 divisors (see below), whose sum is σ = 2586989060. Its totient is φ = 667610064.

The previous prime is 1335220111. The next prime is 1335220169. The reversal of 1335220144 is 4410225331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41725614 + ... + 41725645.

It is an arithmetic number, because the mean of its divisors is an integer number (258698906).

Almost surely, 2^1335220144 is an apocalyptic number.

It is an amenable number.

1335220144 is a deficient number, since it is larger than the sum of its proper divisors (1251768916).

1335220144 is an equidigital number, since it uses as much as digits as its factorization.

1335220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83451267 (or 83451261 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1335220144 is about 36540.6642523094. The cubic root of 1335220144 is about 1101.1613475567.

Adding to 1335220144 its reverse (4410225331), we get a palindrome (5745445475).

The spelling of 1335220144 in words is "one billion, three hundred thirty-five million, two hundred twenty thousand, one hundred forty-four".