324087139 has 4 divisors (see below), whose sum is σ = 324251424. Its totient is φ = 323922856.

The previous prime is 324087121. The next prime is 324087157. The reversal of 324087139 is 931780423.

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

It is an interprime number because it is at equal distance from previous prime (324087121) and next prime (324087157).

It is a cyclic number.

It is not a de Polignac number, because 324087139 - 2¹⁵ = 324054371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324087098 and 324087107.

It is not an unprimeable number, because it can be changed into a prime (324087539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79147 + ... + 83140.

It is an arithmetic number, because the mean of its divisors is an integer number (81062856).

Almost surely, 2^324087139 is an apocalyptic number.

324087139 is a deficient number, since it is larger than the sum of its proper divisors (164285).

324087139 is a wasteful number, since it uses less digits than its factorization.

324087139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164284.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 324087139 is about 18002.4203650509. The cubic root of 324087139 is about 686.8901136266.

The spelling of 324087139 in words is "three hundred twenty-four million, eighty-seven thousand, one hundred thirty-nine".