149319067 has 2 divisors, whose sum is σ = 149319068. Its totient is φ = 149319066.

The previous prime is 149319019. The next prime is 149319083. The reversal of 149319067 is 760913941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149319067 is a prime.

It is not a weakly prime, because it can be changed into another prime (149319097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74659533 + 74659534.

It is an arithmetic number, because the mean of its divisors is an integer number (74659534).

Almost surely, 2^149319067 is an apocalyptic number.

149319067 is a deficient number, since it is larger than the sum of its proper divisors (1).

149319067 is an equidigital number, since it uses as much as digits as its factorization.

149319067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 149319067 is about 12219.6181200560. The cubic root of 149319067 is about 530.5240657063.

The spelling of 149319067 in words is "one hundred forty-nine million, three hundred nineteen thousand, sixty-seven".