1513228128 has 48 divisors (see below), whose sum is σ = 3976121520. Its totient is φ = 503914496.

The previous prime is 1513228111. The next prime is 1513228139. The reversal of 1513228128 is 8218223151.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98128 + ... + 112496.

It is an arithmetic number, because the mean of its divisors is an integer number (82835865).

Almost surely, 2^1513228128 is an apocalyptic number.

It is an amenable number.

1513228128 is an abundant number, since it is smaller than the sum of its proper divisors (2462893392).

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

1513228128 is a wasteful number, since it uses less digits than its factorization.

1513228128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15479 (or 15471 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 1513228128 is about 38900.2330070142. The cubic root of 1513228128 is about 1148.0693827523.

The spelling of 1513228128 in words is "one billion, five hundred thirteen million, two hundred twenty-eight thousand, one hundred twenty-eight".