1520889316 has 12 divisors (see below), whose sum is σ = 2691462060. Its totient is φ = 751900160.

The previous prime is 1520889299. The next prime is 1520889319. The reversal of 1520889316 is 6139880251.

It can be written as a sum of positive squares in 2 ways, for example, as 977812900 + 543076416 = 31270^2 + 23304^2 .

It is not an unprimeable number, because it can be changed into a prime (1520889319) 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, 2135725 + ... + 2136436.

It is an arithmetic number, because the mean of its divisors is an integer number (224288505).

Almost surely, 2^1520889316 is an apocalyptic number.

It is an amenable number.

1520889316 is a deficient number, since it is larger than the sum of its proper divisors (1170572744).

1520889316 is a wasteful number, since it uses less digits than its factorization.

1520889316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272254 (or 4272252 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1520889316 is about 38998.5809485422. The cubic root of 1520889316 is about 1150.0036083063.

The spelling of 1520889316 in words is "one billion, five hundred twenty million, eight hundred eighty-nine thousand, three hundred sixteen".