149013211 has 4 divisors (see below), whose sum is σ = 157778712. Its totient is φ = 140247712.

The previous prime is 149013199. The next prime is 149013233. The reversal of 149013211 is 112310941.

149013211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112310941 = 1237 ⋅90793.

It is a cyclic number.

It is not a de Polignac number, because 149013211 - 2⁷ = 149013083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149013511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4382725 + ... + 4382758.

It is an arithmetic number, because the mean of its divisors is an integer number (39444678).

Almost surely, 2^149013211 is an apocalyptic number.

149013211 is a deficient number, since it is larger than the sum of its proper divisors (8765501).

149013211 is an equidigital number, since it uses as much as digits as its factorization.

149013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765500.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 149013211 is about 12207.0967473843. The cubic root of 149013211 is about 530.1615871369.

The spelling of 149013211 in words is "one hundred forty-nine million, thirteen thousand, two hundred eleven".