1315356534 has 12 divisors (see below), whose sum is σ = 2849939196. Its totient is φ = 438452172.

The previous prime is 1315356533. The next prime is 1315356571. The reversal of 1315356534 is 4356535131.

1315356534 is a `hidden beast` number, since 1 + 31 + 535 + 65 + 34 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315356533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36537664 + ... + 36537699.

It is an arithmetic number, because the mean of its divisors is an integer number (237494933).

Almost surely, 2^1315356534 is an apocalyptic number.

1315356534 is an abundant number, since it is smaller than the sum of its proper divisors (1534582662).

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

1315356534 is a wasteful number, since it uses less digits than its factorization.

1315356534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73075371 (or 73075368 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 1315356534 is about 36267.8443528148. The cubic root of 1315356534 is about 1095.6735107174.

The spelling of 1315356534 in words is "one billion, three hundred fifteen million, three hundred fifty-six thousand, five hundred thirty-four".