151816913 has 2 divisors, whose sum is σ = 151816914. Its totient is φ = 151816912.

The previous prime is 151816879. The next prime is 151816927. The reversal of 151816913 is 319618151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149989009 + 1827904 = 12247^2 + 1352^2 .

It is an emirp because it is prime and its reverse (319618151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151816913 - 2⁶ = 151816849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151816993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75908456 + 75908457.

It is an arithmetic number, because the mean of its divisors is an integer number (75908457).

Almost surely, 2^151816913 is an apocalyptic number.

It is an amenable number.

151816913 is a deficient number, since it is larger than the sum of its proper divisors (1).

151816913 is an equidigital number, since it uses as much as digits as its factorization.

151816913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 35.

The square root of 151816913 is about 12321.4006103202. The cubic root of 151816913 is about 533.4659674900.

The spelling of 151816913 in words is "one hundred fifty-one million, eight hundred sixteen thousand, nine hundred thirteen".