149734567 has 2 divisors, whose sum is σ = 149734568. Its totient is φ = 149734566.

The previous prime is 149734537. The next prime is 149734601. The reversal of 149734567 is 765437941.

149734567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (765437941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149734567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149734537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74867283 + 74867284.

It is an arithmetic number, because the mean of its divisors is an integer number (74867284).

Almost surely, 2^149734567 is an apocalyptic number.

149734567 is a deficient number, since it is larger than the sum of its proper divisors (1).

149734567 is an equidigital number, since it uses as much as digits as its factorization.

149734567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 149734567 is about 12236.6076589878. The cubic root of 149734567 is about 531.0156943781.

The spelling of 149734567 in words is "one hundred forty-nine million, seven hundred thirty-four thousand, five hundred sixty-seven".