149932213 has 4 divisors (see below), whose sum is σ = 154768768. Its totient is φ = 145095660.

The previous prime is 149932207. The next prime is 149932217. The reversal of 149932213 is 312239941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149932213 - 2⁹ = 149931701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149932217) 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, 2418231 + ... + 2418292.

It is an arithmetic number, because the mean of its divisors is an integer number (38692192).

Almost surely, 2^149932213 is an apocalyptic number.

It is an amenable number.

149932213 is a deficient number, since it is larger than the sum of its proper divisors (4836555).

149932213 is an equidigital number, since it uses as much as digits as its factorization.

149932213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836554.

The product of its digits is 11664, while the sum is 34.

The square root of 149932213 is about 12244.6810085032. The cubic root of 149932213 is about 531.2492342688.

The spelling of 149932213 in words is "one hundred forty-nine million, nine hundred thirty-two thousand, two hundred thirteen".