1315226534 has 4 divisors (see below), whose sum is σ = 1972839804. Its totient is φ = 657613266.

The previous prime is 1315226533. The next prime is 1315226567. The reversal of 1315226534 is 4356225131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1315226534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315226533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328806632 + ... + 328806635.

It is an arithmetic number, because the mean of its divisors is an integer number (493209951).

Almost surely, 2^1315226534 is an apocalyptic number.

1315226534 is a deficient number, since it is larger than the sum of its proper divisors (657613270).

1315226534 is an equidigital number, since it uses as much as digits as its factorization.

1315226534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657613269.

The product of its digits is 21600, while the sum is 32.

The square root of 1315226534 is about 36266.0520873171. The cubic root of 1315226534 is about 1095.6374134704.

The spelling of 1315226534 in words is "one billion, three hundred fifteen million, two hundred twenty-six thousand, five hundred thirty-four".