156135323 has 2 divisors, whose sum is σ = 156135324. Its totient is φ = 156135322.

The previous prime is 156135311. The next prime is 156135439. The reversal of 156135323 is 323531651.

It is a weak prime.

It is an emirp because it is prime and its reverse (323531651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156135323 - 2²⁰ = 155086747 is a prime.

It is not a weakly prime, because it can be changed into another prime (156135223) by changing a digit.

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 as a sum of consecutive naturals, namely, 78067661 + 78067662.

It is an arithmetic number, because the mean of its divisors is an integer number (78067662).

Almost surely, 2^156135323 is an apocalyptic number.

156135323 is a deficient number, since it is larger than the sum of its proper divisors (1).

156135323 is an equidigital number, since it uses as much as digits as its factorization.

156135323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 29.

The square root of 156135323 is about 12495.4120780389. The cubic root of 156135323 is about 538.4768727349.

Adding to 156135323 its reverse (323531651), we get a palindrome (479666974).

The spelling of 156135323 in words is "one hundred fifty-six million, one hundred thirty-five thousand, three hundred twenty-three".