1318542232 has 32 divisors (see below), whose sum is σ = 2861222400. Its totient is φ = 557934624.

The previous prime is 1318542193. The next prime is 1318542257. The reversal of 1318542232 is 2322458131.

It is a junction number, because it is equal to n+sod(n) for n = 1318542194 and 1318542203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144598 + ... + 153445.

It is an arithmetic number, because the mean of its divisors is an integer number (89413200).

Almost surely, 2^1318542232 is an apocalyptic number.

It is an amenable number.

1318542232 is an abundant number, since it is smaller than the sum of its proper divisors (1542680168).

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

1318542232 is a wasteful number, since it uses less digits than its factorization.

1318542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298135 (or 298131 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 1318542232 is about 36311.7368353539. The cubic root of 1318542232 is about 1096.5573447975.

The spelling of 1318542232 in words is "one billion, three hundred eighteen million, five hundred forty-two thousand, two hundred thirty-two".