149207219 has 8 divisors (see below), whose sum is σ = 171080448. Its totient is φ = 127473480.

The previous prime is 149207207. The next prime is 149207231. The reversal of 149207219 is 912702941.

149207219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149207207) and next prime (149207231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149207219 - 2⁴ = 149207203 is a prime.

It is a super-2 number, since 2×149207219² = 44525588403427922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149207239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32567 + ... + 36864.

It is an arithmetic number, because the mean of its divisors is an integer number (21385056).

Almost surely, 2^149207219 is an apocalyptic number.

149207219 is a deficient number, since it is larger than the sum of its proper divisors (21873229).

149207219 is an equidigital number, since it uses as much as digits as its factorization.

149207219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69745.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 149207219 is about 12215.0406876113. The cubic root of 149207219 is about 530.3915689465.

The spelling of 149207219 in words is "one hundred forty-nine million, two hundred seven thousand, two hundred nineteen".