151726891 has 2 divisors, whose sum is σ = 151726892. Its totient is φ = 151726890.

The previous prime is 151726873. The next prime is 151726907. The reversal of 151726891 is 198627151.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (198627151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151726891 - 2⁵ = 151726859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151726831) 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, 75863445 + 75863446.

It is an arithmetic number, because the mean of its divisors is an integer number (75863446).

Almost surely, 2^151726891 is an apocalyptic number.

151726891 is a deficient number, since it is larger than the sum of its proper divisors (1).

151726891 is an equidigital number, since it uses as much as digits as its factorization.

151726891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 40.

The square root of 151726891 is about 12317.7469936673. The cubic root of 151726891 is about 533.3605045619.

The spelling of 151726891 in words is "one hundred fifty-one million, seven hundred twenty-six thousand, eight hundred ninety-one".