156413329 has 2 divisors, whose sum is σ = 156413330. Its totient is φ = 156413328.

The previous prime is 156413293. The next prime is 156413351. The reversal of 156413329 is 923314651.

Together with previous prime (156413293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152473104 + 3940225 = 12348^2 + 1985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156413329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156413294 and 156413303.

It is not a weakly prime, because it can be changed into another prime (156413359) by changing a digit.

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 as a sum of consecutive naturals, namely, 78206664 + 78206665.

It is an arithmetic number, because the mean of its divisors is an integer number (78206665).

Almost surely, 2^156413329 is an apocalyptic number.

It is an amenable number.

156413329 is a deficient number, since it is larger than the sum of its proper divisors (1).

156413329 is an equidigital number, since it uses as much as digits as its factorization.

156413329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 156413329 is about 12506.5314536046. The cubic root of 156413329 is about 538.7962773755.

The spelling of 156413329 in words is "one hundred fifty-six million, four hundred thirteen thousand, three hundred twenty-nine".