1315461532 has 48 divisors (see below), whose sum is σ = 2874896640. Its totient is φ = 511660800.

The previous prime is 1315461529. The next prime is 1315461551. The reversal of 1315461532 is 2351645131.

It is a junction number, because it is equal to n+sod(n) for n = 1315461494 and 1315461503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199732 + ... + 206212.

It is an arithmetic number, because the mean of its divisors is an integer number (59893680).

Almost surely, 2^1315461532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315461532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437448320).

1315461532 is an abundant number, since it is smaller than the sum of its proper divisors (1559435108).

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

1315461532 is a wasteful number, since it uses less digits than its factorization.

1315461532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162 (or 7160 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 1315461532 is about 36269.2918596435. The cubic root of 1315461532 is about 1095.7026638946.

The spelling of 1315461532 in words is "one billion, three hundred fifteen million, four hundred sixty-one thousand, five hundred thirty-two".