149067829 has 2 divisors, whose sum is σ = 149067830. Its totient is φ = 149067828.

The previous prime is 149067823. The next prime is 149067839. The reversal of 149067829 is 928760941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134513604 + 14554225 = 11598^2 + 3815^2 .

It is an emirp because it is prime and its reverse (928760941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149067829 - 2⁵ = 149067797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149067823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74533914 + 74533915.

It is an arithmetic number, because the mean of its divisors is an integer number (74533915).

Almost surely, 2^149067829 is an apocalyptic number.

It is an amenable number.

149067829 is a deficient number, since it is larger than the sum of its proper divisors (1).

149067829 is an equidigital number, since it uses as much as digits as its factorization.

149067829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 149067829 is about 12209.3336837028. Note that the first 3 decimals coincide. The cubic root of 149067829 is about 530.2263528228.

The spelling of 149067829 in words is "one hundred forty-nine million, sixty-seven thousand, eight hundred twenty-nine".