1315540232 has 32 divisors (see below), whose sum is σ = 2507404800. Its totient is φ = 646963200.

The previous prime is 1315540201. The next prime is 1315540277. The reversal of 1315540232 is 2320455131.

It is a happy number.

It is a super-2 number, since 2×1315540232² = 3461292204021227648, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 167432 + ... + 175112.

It is an arithmetic number, because the mean of its divisors is an integer number (78356400).

Almost surely, 2^1315540232 is an apocalyptic number.

It is an amenable number.

1315540232 is a deficient number, since it is larger than the sum of its proper divisors (1191864568).

1315540232 is a wasteful number, since it uses less digits than its factorization.

1315540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1315540232 is about 36270.3767832649. The cubic root of 1315540232 is about 1095.7245142941.

Adding to 1315540232 its reverse (2320455131), we get a palindrome (3635995363).

The spelling of 1315540232 in words is "one billion, three hundred fifteen million, five hundred forty thousand, two hundred thirty-two".