149170213 has 8 divisors (see below), whose sum is σ = 150567200. Its totient is φ = 147778128.

The previous prime is 149170169. The next prime is 149170237. The reversal of 149170213 is 312071941.

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

It is not a de Polignac number, because 149170213 - 2²¹ = 147073061 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 (149170313) 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, 88543 + ... + 90211.

It is an arithmetic number, because the mean of its divisors is an integer number (18820900).

Almost surely, 2^149170213 is an apocalyptic number.

It is an amenable number.

149170213 is a deficient number, since it is larger than the sum of its proper divisors (1396987).

149170213 is a wasteful number, since it uses less digits than its factorization.

149170213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 149170213 is about 12213.5258218092. The cubic root of 149170213 is about 530.3477165257.

The spelling of 149170213 in words is "one hundred forty-nine million, one hundred seventy thousand, two hundred thirteen".