1324138158 has 64 divisors (see below), whose sum is σ = 3539904000. Its totient is φ = 358411392.

The previous prime is 1324138141. The next prime is 1324138159. The reversal of 1324138158 is 8518314231.

It is a super-2 number, since 2×1324138158² = 3506683722943265928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324138159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85003 + ... + 99366.

It is an arithmetic number, because the mean of its divisors is an integer number (55311000).

Almost surely, 2^1324138158 is an apocalyptic number.

1324138158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1324138158 is an abundant number, since it is smaller than the sum of its proper divisors (2215765842).

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

1324138158 is a wasteful number, since it uses less digits than its factorization.

1324138158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184406 (or 184400 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1324138158 is about 36388.7092104131. The cubic root of 1324138158 is about 1098.1064276186.

The spelling of 1324138158 in words is "one billion, three hundred twenty-four million, one hundred thirty-eight thousand, one hundred fifty-eight".