151968913 has 8 divisors (see below), whose sum is σ = 157095680. Its totient is φ = 146856240.

The previous prime is 151968911. The next prime is 151968917. The reversal of 151968913 is 319869151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151968913 - 2¹ = 151968911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151968913.

It is not an unprimeable number, because it can be changed into a prime (151968911) 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 in 7 ways as a sum of consecutive naturals, for example, 21283 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (19636960).

Almost surely, 2^151968913 is an apocalyptic number.

It is an amenable number.

151968913 is a deficient number, since it is larger than the sum of its proper divisors (5126767).

151968913 is an equidigital number, since it uses as much as digits as its factorization.

151968913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047.

The product of its digits is 58320, while the sum is 43.

The square root of 151968913 is about 12327.5671971399. The cubic root of 151968913 is about 533.6439445436.

It can be divided in two parts, 151968 and 913, that added together give a square (152881 = 391²).

The spelling of 151968913 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, nine hundred thirteen".