149096191 has 2 divisors, whose sum is σ = 149096192. Its totient is φ = 149096190.

The previous prime is 149096183. The next prime is 149096197. The reversal of 149096191 is 191690941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149096191 - 2³ = 149096183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149096197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74548095 + 74548096.

It is an arithmetic number, because the mean of its divisors is an integer number (74548096).

Almost surely, 2^149096191 is an apocalyptic number.

149096191 is a deficient number, since it is larger than the sum of its proper divisors (1).

149096191 is an equidigital number, since it uses as much as digits as its factorization.

149096191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 149096191 is about 12210.4951169066. The cubic root of 149096191 is about 530.2599780664.

The spelling of 149096191 in words is "one hundred forty-nine million, ninety-six thousand, one hundred ninety-one".