1319145522 has 16 divisors (see below), whose sum is σ = 2694425472. Its totient is φ = 430359440.

The previous prime is 1319145493. The next prime is 1319145523. The reversal of 1319145522 is 2255419131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1319145523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338629 + ... + 2339192.

It is an arithmetic number, because the mean of its divisors is an integer number (168401592).

Almost surely, 2^1319145522 is an apocalyptic number.

1319145522 is an abundant number, since it is smaller than the sum of its proper divisors (1375279950).

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

1319145522 is a wasteful number, since it uses less digits than its factorization.

1319145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677873.

The product of its digits is 10800, while the sum is 33.

The square root of 1319145522 is about 36320.0429790495. The cubic root of 1319145522 is about 1096.7245600740.

The spelling of 1319145522 in words is "one billion, three hundred nineteen million, one hundred forty-five thousand, five hundred twenty-two".