1523133460 has 12 divisors (see below), whose sum is σ = 3198580308. Its totient is φ = 609253376.

The previous prime is 1523133457. The next prime is 1523133503. The reversal of 1523133460 is 643313251.

It can be written as a sum of positive squares in 2 ways, for example, as 864595216 + 658538244 = 29404^2 + 25662^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 38078317 + ... + 38078356.

It is an arithmetic number, because the mean of its divisors is an integer number (266548359).

Almost surely, 2^1523133460 is an apocalyptic number.

1523133460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523133460 is an abundant number, since it is smaller than the sum of its proper divisors (1675446848).

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

1523133460 is a wasteful number, since it uses less digits than its factorization.

1523133460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76156682 (or 76156680 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1523133460 is about 39027.3424665324. The cubic root of 1523133460 is about 1150.5689585389.

The spelling of 1523133460 in words is "one billion, five hundred twenty-three million, one hundred thirty-three thousand, four hundred sixty".