1351056144 has 40 divisors (see below), whose sum is σ = 3511661152. Its totient is φ = 447586560.

The previous prime is 1351056127. The next prime is 1351056169. The reversal of 1351056144 is 4416501531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78517 + ... + 94164.

Almost surely, 2^1351056144 is an apocalyptic number.

It is an amenable number.

1351056144 is an abundant number, since it is smaller than the sum of its proper divisors (2160605008).

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

1351056144 is a wasteful number, since it uses less digits than its factorization.

1351056144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172855 (or 172849 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1351056144 is about 36756.7156312965. The cubic root of 1351056144 is about 1105.4975868927.

Adding to 1351056144 its reverse (4416501531), we get a palindrome (5767557675).

The spelling of 1351056144 in words is "one billion, three hundred fifty-one million, fifty-six thousand, one hundred forty-four".